feat: Add license and attribution routes, update templates and documentation

- Added a new license route to serve the LGPL license text.
- Introduced a new attribution page to acknowledge third-party software used in the project.
- Updated the base HTML template to include a link to the attribution page.
- Included the license router in the main application router.
- Added the license text file for LGPL to the static licenses directory.
- Updated the NOTICE file to include detailed attributions for third-party libraries.
- Added a new requirements-dev.txt for license compliance checking.
- Updated the requirements.txt to clarify the LGPL license for Paramiko.

app/routes/license_routes.py

@@ -0,0 +1,18 @@
+from fastapi import APIRouter, HTTPException
+from fastapi.responses import PlainTextResponse, HTMLResponse
+from pathlib import Path
+import os
+
+router = APIRouter()
+
+@router.get("/licenses/lgpl.txt", response_class=PlainTextResponse)
+async def get_lgpl_license():
+    """
+    Serve the LGPL license text file
+    """
+    license_path = Path("frontend/static/licenses/lgpl.txt")
+    if not license_path.exists():
+        raise HTTPException(status_code=404, detail="License file not found")
+    
+    with open(license_path, "r") as f:
+        return f.read()