chore: update readme

Author: CarltonXiang

README.md

@@ -1,5 +1,23 @@
 # MemOS Docs 
 
+This repository contains the documentation website for MemOS project.
+
+## Project Structure
+
+```
+MemOS-Docs/
+├── app/                    # Main application code
+│   ├── components/        # Vue components
+│   ├── composables/       # Vue composables
+│   ├── pages/            # Vue pages and routing
+│   └── assets/           # Static assets like CSS
+├── content/               # Documentation content
+│   ├── api.json         # OpenAPI Documentation
+│   └── settings.yaml    # Documentation navigation
+├── public/               # Public static assets
+│   └── assets/          # Images and other media
+└── nuxt.config.ts       # Nuxt configuration
+```
 
 ## Setup