fix(plugin): add comment sticky keys

config/plugins/comment.nix

@@ -2,9 +2,13 @@
 {
 	plugins.comment = {
 		enable = true;
-		settings.toggler = {
-			block = "<C-x>";
-			line = "<C-c>";
+		settings = {
+			sticky = true;
+
+			toggler = {
+				block = "<C-x>";
+				line = "<C-c>";
+			};
 		};
 	};
 }