🔨(project) add json, cjs and js extensions to prettier config

Prettier had some missing extensions in the config, this commit
added them, we then prettified the whole project. We
ignore the `cunningham-tokens` files.

packages/react/src/locales/en-US.json

@@ -12,7 +12,7 @@
       "empty": "This table is empty",
       "empty_alt": "Illustration of an empty table",
       "loader_aria": "Loading data",
-      "rows_selection_aria":"All rows selection",
+      "rows_selection_aria": "All rows selection",
       "row_selection_aria": "Row selection"
     },
     "provider": {