chore: ignore the settings textide leaves in its own package

Author: softov

.gitignore

@@ -12,6 +12,8 @@ brief/
 /todo.json
 
 # textide writes its settings back as they change, so running it here leaves
-# one behind. Anchored to the root: a project that uses textide should commit
-# its own, and only this repo's happens to be somebody's editor state.
+# one behind. Two paths rather than a glob, for the two places it gets run
+# from: a project that uses textide should commit its own, and only this
+# repo's happens to be somebody's editor state.
 /.textide.json
+/packages/textide/.textide.json