feat: Implement UVM Dashboard with frontend and backend integration

- Added dashboard.js for frontend functionality, including VM management and system health monitoring.
- Created dashboard route to serve the dashboard HTML.
- Introduced diagnostics route for token-protected host diagnostics.
- Enhanced VMs router with bulk actions, VM log retrieval, and port management.
- Updated lifecycle service to read VM log tails with truncation handling.
- Integrated static file serving for dashboard assets in the FastAPI server.
- Redirect root URL to the dashboard for improved user experience.

uvm/server.py

@@ -27,7 +27,8 @@ def create_api(application: Application | None = None, *, host: str | None = Non
 
     try:
         from fastapi import FastAPI
-        from fastapi.responses import JSONResponse
+        from fastapi.responses import JSONResponse, RedirectResponse
+        from fastapi.staticfiles import StaticFiles
     except ModuleNotFoundError as error:
         raise UvmError(
             "FastAPI server support is not installed. Install this project with its dependencies."
@@ -36,6 +37,8 @@ def create_api(application: Application | None = None, *, host: str | None = Non
     from .routers.health import router as health_router
     from .routers.installation import router as installation_router
     from .routers.vms import router as vms_router
+    from .routers.diagnostics import router as diagnostics_router
+    from .routers.dashboard import router as dashboard_router
 
     api = FastAPI(
         title="uvm",
@@ -54,6 +57,16 @@ def create_api(application: Application | None = None, *, host: str | None = Non
     api.include_router(health_router)
     api.include_router(installation_router)
     api.include_router(vms_router)
+    api.include_router(diagnostics_router)
+
+    static_dir = Path(__file__).parent / "dashboard" / "static"
+    api.mount("/dashboard/static", StaticFiles(directory=static_dir), name="dashboard_static")
+    api.include_router(dashboard_router, prefix="/dashboard")
+
+    @api.get("/")
+    async def root() -> Any:
+        return RedirectResponse(url="/dashboard")
+
     return api