Fix up README with logo, badges, and visual assets (#326)

* #320 update README with GeoSet logo, badges, and visual assets

- Replace placeholder title with centered GeoSet logo
- Add badges: License, Based on Superset, PostGIS, Docker, deck.gl
- Add hero image (Hurricane Helene storm data dashboard)
- Add dashboard demo gif, feature showcase grid (metrics, point
  sizing, ruler/tooltip, clustering), and example dashboard screenshot
- Remove all TODO placeholders
- Convert .mov videos to .gif for inline GitHub rendering

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* #320 fix logo rendering and normalize gif heights

- Convert SVG logo to PNG for reliable GitHub rendering
- Set matching height (260px) on ruler and clustering gifs

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* #320 refine README layout and add color-by-category and text-overlay screenshots

Left-align logo, reduce feature table image widths to prevent horizontal scroll,
add point size scaling to feature list, and include two new feature screenshots.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* #320 widen dashboard demo gif to 850px

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* #320 widen feature screenshot table images to 410px

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* #320 widen demo gif, swap text overlay screenshot, and adjust table image sizes

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* #320 remove unused geoset-text-overlay.png image

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* #320 fix typo in color-by-category screenshot filename

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* #320 replace dashboard demo GIF with MP4, add conditional zoom visibility screenshot

- Swap dashboard demo from GIF to MP4 video for smaller size and better quality
- Add conditional zoom visibility GIF to feature showcase table
- Add Features & Functionality subheading and TOC entry
- Remove unused geoset-example-dashboard-demo.gif

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* #320 add layer toggling screenshot and update wiki Home page

- Add layer toggling GIF to feature showcase table in README
- Update wiki Home.md: add dynamic point sizing to feature comparison
  table and add JSON Config Spec to Pages list

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* #320 revert dashboard demo to GIF, add text overlay layer to wiki

- Revert dashboard demo from MP4 video back to GIF (wider at 1000px)
- Remove unused geoset-example-dashboard-demo.mp4
- Add missing Storm Track Points Text Overlay layer to wiki
  Sample-Dashboards.md Hurricane Tracker section

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* #320 update README features list with text overlay and point size scaling clarification

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

---------

Co-authored-by: lhawkins <lhawkins@teamraft.com>
Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>

Author: 3 people

README.md

@@ -1,19 +1,28 @@
-# GeoSet
+<img src="docs/images/geoset-logo.png" alt="GeoSet" width="300" />
 
-TODO: LOGO!
+<p align="center">
 
 [![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](https://opensource.org/license/apache-2-0)
+[![Based on Superset](https://img.shields.io/badge/Based%20on-Apache%20Superset-orange.svg)](https://github.com/apache/superset)
+[![PostGIS](https://img.shields.io/badge/PostGIS-Compatible-brightgreen.svg)](https://postgis.net/)
+[![Docker](https://img.shields.io/badge/Docker-Ready-2496ED.svg?logo=docker&logoColor=white)](https://www.docker.com/)
+[![deck.gl](https://img.shields.io/badge/deck.gl-Powered-purple.svg)](https://deck.gl/)
 
-TODO: MORE BANNERS
-TODO: WE NEED TO RECREATE THE PICTURES WITH THE GEOSET LOGO
+</p>
+
+<p align="center">
+  <img src="docs/images/helene-storm-data.png" alt="GeoSet Dashboard - Hurricane Helene Storm Data" width="800" />
+</p>
 
 __GeoSet brings robust geospatial visualization capabilities to [Apache Superset](https://github.com/apache/superset) with native [PostGIS](https://postgis.net/) compatibility.__
 
 - [What is GeoSet?](#what-is-geoset)
+  - [Features \& Functionality](#features--functionality)
 - [How GeoSet Differs from Apache Superset](#how-geoset-differs-from-apache-superset)
 - [Quick Start](#quick-start)
   - [Step 1 - Create a Copy of docker/.env.example](#step-1---create-a-copy-of-dockerenvexample)
   - [Step 2 - Launch Docker Compose](#step-2---launch-docker-compose)
+    - [Alternative Docker Image](#alternative-docker-image)
   - [Step 3 - Open GeoSet and Explore](#step-3---open-geoset-and-explore)
 - [Contributing](#contributing)
   - [Development Guide](#development-guide)
@@ -25,11 +34,52 @@ GeoSet bridges the gap between Superset and GIS tooling. This is accomplished by
 - Single and multilayer maps
 - Visibility toggling by zoom
 - Hover over and additional details pane
-- Color by category or value
+- Color by category or value (either can be used with Point Size Scaling)
+- Point size scaling by value (number or percentile bounds)
 - Collapsible legend with layer toggling and dynamic iconography
 - Native dashboard integration
-
-TODO: PUT PRETTY PICTURES HERE
+- Text Overlay Formatting
+
+<p align="center">
+  <img src="docs/images/geoset-example-dashboard-demo.gif" alt="GeoSet Example Dashboard Demo" width="1000" />
+</p>
+
+### Features & Functionality
+
+<table>
+  <tr>
+    <td align="center"><strong>Color by Metric</strong></td>
+    <td align="center"><strong>Dynamic Point Sizing</strong></td>
+  </tr>
+  <tr>
+    <td><img src="docs/images/wind-metrics-chart.png" alt="Wind Metrics Chart" width="390" /></td>
+    <td><img src="docs/images/wildfire-point-size-scaling.png" alt="Wildfire Point Size Scaling" width="390" /></td>
+  </tr>
+  <tr>
+    <td align="center"><strong>Ruler &amp; Tooltip</strong></td>
+    <td align="center"><strong>Point Clustering</strong></td>
+  </tr>
+  <tr>
+    <td><img src="docs/images/ruler-tooltip-in-action.gif" alt="Ruler and Tooltip in Action" width="390" height="245" /></td>
+    <td><img src="docs/images/point-clustering-example.gif" alt="Point Clustering Example" width="390" height="245" /></td>
+  </tr>
+  <tr>
+    <td align="center"><strong>Color by Category</strong></td>
+    <td align="center"><strong>Text Overlay</strong></td>
+  </tr>
+  <tr>
+    <td><img src="docs/images/geoset-color-by-category.png" alt="Color by Category" width="390" /></td>
+    <td><img src="docs/images/geoset-text-overlay-2.png" alt="Text Overlay" width="390" /></td>
+  </tr>
+  <tr>
+    <td align="center"><strong>Conditional Zoom Visibility</strong></td>
+    <td align="center"><strong>Layer Toggling</strong></td>
+  </tr>
+  <tr>
+    <td><img src="docs/images/conditional-zooming-layer-visibility.gif" alt="Conditional Zoom Visibility" width="390" /></td>
+    <td><img src="docs/images/layer-toggling-multi-chart.gif" alt="Layer Toggling" width="390" /></td>
+  </tr>
+</table>
 
 ## How GeoSet Differs from Apache Superset
 
@@ -67,9 +117,9 @@ DOCKERFILE=Dockerfile.rhel docker compose up
 
 ### Step 3 - Open GeoSet and Explore
 
-We've created an example dashboard accessible at [http://localhost:9001/superset/dashboard/geoset-example-dashboard](http://localhost:9001/superset/dashboard/geoset-example-dashboard). 
+We've created an example dashboard accessible at [http://localhost:9001/superset/dashboard/geoset-example-dashboard](http://localhost:9001/superset/dashboard/geoset-example-dashboard).
 
-TODO: put pictures here
+![GeoSet Example Dashboard](docs/images/geoset-example-dashboard.png)
 
 ## Contributing