Paginated With MongoDB / Create New Endpoint

change routes /combine name, add route /api/source/paginated
add new endpoint source/paginated
fixing table responsive
create new function to handling api/source/paginated

frontend/src/Navigation.tsx

@@ -145,7 +145,10 @@ export default function Navigation({ navOpen, setNavOpen }: NavigationProps) {
         dispatch(setSourceDocs(updatedDocs));
         dispatch(
           setSelectedDocs(
-            updatedDocs?.find((doc) => doc.name.toLowerCase() === 'default'),
+            Array.isArray(updatedDocs) &&
+              updatedDocs?.find(
+                (doc: Doc) => doc.name.toLowerCase() === 'default',
+              ),
           ),
         );
       })