update README with correct repository clone URL and format project structure section

README.md

@@ -21,8 +21,8 @@ A multi-modal AI web application. Users can choose between different AI models f
 
 ```bash
 # Clone the repo
-git clone <repo-url>
-cd 12-ai.allucanget.biz
+git clone https://git.allucanget.biz/allucanget/ai.allucanget.biz.git
+cd ai.allucanget.biz
 
 # Create and activate virtual environment
 python -m venv .venv
@@ -60,7 +60,7 @@ pytest
 
 ## Project Structure
 
-```
+```txt
 backend/          FastAPI backend
   app/
     routers/      API route handlers