Init Astro site with Docker and AI workflows

- Add landing page and base layout with cozy theme
- Configure Astro, TypeScript, and project settings
- Add Dockerfile, Nginx config, and docker-compose
- Include favicon and site metadata
- Add documentation: README, DEVELOPMENT, PROJECT_CONTEXT, TODO, CLAUDE
- Add Gitea workflows for AI chat, PR review, issue triage, and codebase
  review

README.md

@@ -1,2 +1,107 @@
-# Cozy-Den
+# Cozy Den 🏡☕
 
+A cozy landing page for hiddenden.cafe built with Astro.
+
+## About
+
+Cozy Den is a warm, self-hosted corner of the internet. This landing page represents the values of privacy, open-source software, and creating comfortable digital spaces.
+
+## Features
+
+- ☕ Cozy, warm aesthetic with hidden den theme
+- 🎨 Custom color palette inspired by coffee and warmth
+- 📱 Responsive design
+- ⚡ Built with Astro for blazing fast performance
+- 🐳 Docker support for easy deployment
+
+## Setup
+
+### Prerequisites
+
+- Node.js 18+ and npm
+- (Optional) Docker for containerized deployment
+
+### Installation
+
+1. Clone or download this project
+2. Install dependencies:
+```bash
+npm install
+```
+
+3. Run the development server:
+```bash
+npm run dev
+```
+
+4. Build for production:
+```bash
+npm run build
+```
+
+5. Preview production build:
+```bash
+npm run preview
+```
+
+## Docker Deployment
+
+### Building the Docker Image
+
+```bash
+docker build -t cozy-den .
+```
+
+### Running the Container
+
+```bash
+docker run -d -p 3000:3000 --name cozy-den cozy-den
+```
+
+Or with docker-compose:
+
+```bash
+docker-compose up -d
+```
+
+### Pushing to Gitea Registry
+
+```bash
+# Tag the image
+docker tag cozy-den git.hiddenden.cafe/mats/cozy-den:latest
+
+# Login to your Gitea registry
+docker login git.hiddenden.cafe
+
+# Push the image
+docker push git.hiddenden.cafe/mats/cozy-den:latest
+```
+
+## Customization
+
+The site is built to be easily customizable:
+
+- **Colors**: Edit the CSS variables in `src/layouts/BaseLayout.astro`
+- **Content**: Update sections in `src/pages/index.astro`
+- **Favicon**: Replace `public/favicon.svg`
+
+## Technology Stack
+
+- [Astro](https://astro.build/) - Static site generator
+- Vanilla CSS with custom properties
+- TypeScript for type safety
+
+## Documentation
+
+For developers and AI assistants working on this project:
+- **[DEVELOPMENT.md](DEVELOPMENT.md)** - Detailed developer documentation, architecture, and common tasks
+- **[PROJECT_CONTEXT.md](PROJECT_CONTEXT.md)** - Project context, design principles, and owner preferences
+- **[TODO.md](TODO.md)** - Current tasks, future features, and enhancement ideas
+
+## License
+
+Personal project - feel free to use as inspiration for your own cozy corners of the internet!
+
+---
+
+Made with 💖 by Mats