Fix/shiny form path error (#286)

Co-authored-by: Nikita Churikov <8545082+churnikov@users.noreply.github.com>

apps/forms/shiny.py

@@ -105,10 +105,10 @@ def clean_path(self):
             # If new path matches current path, it is valid.
             if self.instance and getattr(self.instance, "path", None) == path:
                 return path
-            # Verify that path starts with "/home"
+            # Verify that path starts with "/home" or "/srv"
             path = path.strip().rstrip("/").lower().replace(" ", "")
-            if not path.startswith("/home"):
-                self.add_error("path", 'Path must start with "/home"')
+            if not path.startswith(("/home", "/srv")):
+                self.add_error("path", 'Path must start with "/home" or "/srv"')
 
         return path