feat: Implement Role-Based Access Control (RBAC) for search space resources.

-Introduce granular permissions for documents, chats, podcasts, and logs.
- Update routes to enforce permission checks for creating, reading, updating, and deleting resources. - Refactor user and search space interactions to align with RBAC model, removing ownership checks in favor of permission validation.

surfsense_web/messages/en.json

@@ -103,6 +103,7 @@
 		"surfsense_dashboard": "SurfSense Dashboard",
 		"welcome_message": "Welcome to your SurfSense dashboard.",
 		"your_search_spaces": "Your Search Spaces",
+		"shared": "Shared",
 		"create_search_space": "Create Search Space",
 		"add_new_search_space": "Add New Search Space",
 		"loading": "Loading",
@@ -149,7 +150,8 @@
 		"podcasts": "Podcasts",
 		"logs": "Logs",
 		"all_search_spaces": "All Search Spaces",
-		"chat": "Chat"
+		"chat": "Chat",
+		"team": "Team"
 	},
 	"pricing": {
 		"title": "SurfSense Pricing",