docs: add slop disclaimer and GitHub button to landing page

Author: coah80

src/content/docs/index.mdx

@@ -3,14 +3,18 @@ title: LCEMP Documentation
 description: Complete documentation for the Minecraft Legacy Console Edition Multiplayer source code.
 template: splash
 hero:
-  tagline: Community-driven docs for the Minecraft LCE C++ codebase, built from 40 systematic analysis passes.
+  tagline: Community-driven docs for the Minecraft LCE C++ codebase, built from 40 systematic analysis passes. the slop docs basically, so if you need anything changed, go to the github.
   actions:
     - text: Get Started
       link: /lcemp-docs/overview/introduction/
       icon: right-arrow
     - text: Modding Guide
       link: /lcemp-docs/modding/getting-started/
       variant: minimal
+    - text: GitHub
+      link: https://github.com/coah80/lcemp-docs
+      icon: github
+      variant: minimal
 ---
 
 import { Card, CardGrid } from '@astrojs/starlight/components';