feat(tags): Test case tag editing UI and tag settings UI (#322)

frontend/messages/en.json

@@ -237,7 +237,8 @@
     "move": "Move",
     "clone": "Clone",
     "cases_moved": "Test cases moved",
-    "cases_cloned": "Test cases cloned"
+    "cases_cloned": "Test cases cloned",
+    "tags": "Tags"
   },
   "Case": {
     "back_to_cases": "Back to test cases",
@@ -269,7 +270,16 @@
     "click_to_upload": "Click to upload",
     "or_drag_and_drop": " or drag and drop",
     "max_file_size": "Max. file size",
-    "are_you_sure_leave": "Are you sure you want to leave the page?"
+    "are_you_sure_leave": "Are you sure you want to leave the page?",
+    "tags": "Tags",
+    "create_tag": "Create tag",
+    "max_tags_limit": "Max. tags limit",
+    "tag_already_exists": "Tag already exists",
+    "tag_created_and_added": "Tag created and added",
+    "error_creating_tag": "Error creating tag",
+    "error_updating_test_case": "Error updating test case",
+    "search_or_create_tag": "Search or create tag",
+    "no_tags_selected": "No tags selected"
   },
   "Runs": {
     "run_list": "Test Run List",
@@ -351,6 +361,21 @@
     "delete_project": "Delete Project",
     "delete": "Delete",
     "close": "Close",
-    "are_you_sure": "Are you sure you want to delete the project?"
+    "are_you_sure": "Are you sure you want to delete the project?",
+    "tag_management": "Tag Management",
+    "tag_name": "Tag Name",
+    "add_tag": "Add Tag",
+    "no_tags_available": "No tags available",
+    "delete_tag": "Delete Tag",
+    "are_you_sure_delete_tag": "Are you sure you want to delete this tag?",
+    "tag_created": "Tag created successfully.",
+    "tag_updated": "Tag updated successfully.",
+    "tag_deleted": "Tag deleted successfully.",
+    "tag_error_empty": "Tag name cannot be empty.",
+    "tag_error_min_length": "Tag name must be at least 3 characters long.",
+    "tag_error_max_length": "Tag name cannot exceed 20 characters.",
+    "tag_error_create": "Failed to create tag. Please try again.",
+    "tag_error_update": "Failed to update tag. Please try again.",
+    "tag_error_delete": "Failed to delete tag. Please try again."
   }
 }