feat: update README

Author: lcandy2

LICENSE renamed to LICENSE.md

@@ -7,4 +7,50 @@ Turn any Git repository into a prompt-friendly text ingest for LLMs.
 
 <a href="https://chromewebstore.google.com/detail/adfjahbijlkjfoicpjkhjicpjpjfaood" target="_blank" title="Get GitIngest Extension from Chrome Web Store"><img height="48" src="https://github.com/user-attachments/assets/20a6e44b-fd46-4e6c-8ea6-aad436035753" alt="Available in the Chrome Web Store" /></a>
 <a href="https://addons.mozilla.org/firefox/addon/gitingest/" target="_blank" title="Get GitIngest Extension from Firefox Add-ons"><img height="48" src="https://github.com/user-attachments/assets/c0e99e6b-97cf-4af2-9737-099db7d3538b" alt="Get The Add-on for Firefox" /></a>
-<a href="" target="_blank" title="Get GitIngest Extension from Firefox Add-ons"><img height="48" src="https://github.com/user-attachments/assets/204157eb-4cae-4c0e-b2cb-db514419fd9e" alt="Get from the Edge Add-ons" /></a>
+<a href="https://microsoftedge.microsoft.com/addons/detail/nfobhllgcekbmpifkjlopfdfdmljmipf" target="_blank" title="Get GitIngest Extension from Firefox Add-ons"><img height="48" src="https://github.com/user-attachments/assets/204157eb-4cae-4c0e-b2cb-db514419fd9e" alt="Get from the Edge Add-ons" /></a>
+
+This extension is part of the GitIngest ecosystem. See [GitIngest.com](https://gitingest.com) or [cyclotruc/gitingest](https://github.com/cyclotruc/gitingest) for more information.
+
+## ✨ Features
+
+- 🚀 One-click access to GitIngest services to get a text ingest
+- 📚 Prompt-friendly codebase ingestion
+- 📝 Optimized output format for LLM prompts
+- 🔍 Statistics about:
+  - File and directory structure
+  - Size of the extract
+  - Token count  
+- 🔒 Privacy-first, zero data collection (for the extension itself)
+- 🤖 Open source, community-driven
+
+## 🛠️ Using
+- [WXT](https://github.com/wxt-dev/wxt)
+- [TailwindCSS](https://tailwindcss.com/)
+
+## 🔒 Privacy Policy
+[Privacy Policy (for the extension only)](PRIVACY.md)
+
+## 🔧 Development
+
+### Clone the repository
+```bash
+git clone https://github.com/lcandy2/gitingest-extension.git
+```
+
+### Install dependencies
+```bash
+pnpm install
+```
+
+### Run the development server
+```bash
+pnpm dev
+```
+
+### Build the extension
+```bash
+pnpm build
+```
+
+## 📄 License
+[MIT](LICENSE.md)