feat(drive): add quota update handler

per today: admin only can update quota
    shared drive can have quota updated (personal drive's quota belong to user's quota)

frontend/static/locales/en.json

@@ -1137,7 +1137,36 @@
       "implied_by_forbid_sharing": "Already enforced by Forbid per-resource sharing.",
       "read_only": "Read-only (freeze)",
       "read_only_help": "Freeze the drive entirely — every mutation is refused (uploads, edits, deletes, renames, sharing, membership changes). Reads and downloads keep working. The trash-retention janitor also pauses. Use for archives, legal holds, or account wind-downs. Only an admin can un-freeze."
-    }
+    },
+    "drives": "Drives",
+    "drive_name": "Name",
+    "drive_kind": "Kind",
+    "drive_owners": "Owners",
+    "drive_usage": "Usage",
+    "drive_created_at": "Created",
+    "drive_kind_shared": "Shared",
+    "drive_kind_personal": "Personal",
+    "drive_kind_default_suffix": "(default)",
+    "drive_manage_owners": "Manage owners",
+    "drive_manage_owners_for": "Manage owners — {{name}}",
+    "drive_edit_quota": "Edit quota",
+    "drive_delete": "Delete drive",
+    "drive_delete_confirm": "Delete drive \"{{name}}\"? This cannot be undone.",
+    "drive_deleted": "Drive deleted.",
+    "drive_created": "Drive created.",
+    "drive_add_owner": "Add owner",
+    "drive_current_owners": "Current owners",
+    "drive_no_owners": "No owners",
+    "drive_owner": "Owner",
+    "drive_owner_hint": "Pick a user (sole Owner) or a group (every member becomes Owner via subject expansion).",
+    "drive_owner_picked": "Owner: {{name}}",
+    "drive_owner_placeholder": "Search a user or group…",
+    "drive_owner_remove_confirm": "Remove this owner from the drive?",
+    "drive_name_placeholder": "e.g. Engineering",
+    "drive_error_name_required": "Drive name is required.",
+    "drive_error_owner_required": "Pick a user or group as the drive owner.",
+    "create_drive": "Create shared drive",
+    "no_drives": "No drives yet."
   },
   "profile": {
     "page_title": "Profile",