docs: update README to provide a clearer description of the conotes app and its technology stack

Author: heyding

README.md

@@ -1,16 +1,21 @@
-# React + Vite
+# conotes
 
-This template provides a minimal setup to get React working in Vite with HMR and some ESLint rules.
+conotes is a mobile-first Cornell Notes web app. It helps you structure notes, keep them in local storage, and export them as Markdown or PDF.
 
-Currently, two official plugins are available:
+## Tech
 
-- [@vitejs/plugin-react](https://github.com/vitejs/vite-plugin-react/blob/main/packages/plugin-react) uses [Babel](https://babeljs.io/) (or [oxc](https://oxc.rs) when used in [rolldown-vite](https://vite.dev/guide/rolldown)) for Fast Refresh
-- [@vitejs/plugin-react-swc](https://github.com/vitejs/vite-plugin-react/blob/main/packages/plugin-react-swc) uses [SWC](https://swc.rs/) for Fast Refresh
+- React + Vite
+- Tailwind CSS
 
-## React Compiler
+## Run locally
 
-The React Compiler is not enabled on this template because of its impact on dev & build performances. To add it, see [this documentation](https://react.dev/learn/react-compiler/installation).
+1. npm install
+2. npm run dev
 
-## Expanding the ESLint configuration
+## Build
 
-If you are developing a production application, we recommend using TypeScript with type-aware lint rules enabled. Check out the [TS template](https://github.com/vitejs/vite/tree/main/packages/create-vite/template-react-ts) for information on how to integrate TypeScript and [`typescript-eslint`](https://typescript-eslint.io) in your project.
+1. npm run build
+
+## Deploy
+
+GitHub Pages deployment is configured via GitHub Actions on push to main.