Added Commands Management

src/myfasthtml/core/utils.py

@@ -0,0 +1,19 @@
+from starlette.routing import Mount
+
+
+def mount_if_not_exists(app, path: str, sub_app):
+  """
+  Mounts a sub-application only if no Mount object already exists
+  at the specified path in the main application's router.
+  """
+  is_mounted = False
+  
+  for route in app.router.routes:
+    
+    if isinstance(route, Mount):
+      if route.path == path:
+        is_mounted = True
+        break
+  
+  if not is_mounted:
+    app.mount(path, app=sub_app)