🔨(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/tokens/src/bin/tsconfig.build.json

@@ -1,8 +1,4 @@
 {
   "extends": "./tsconfig.json",
-  "exclude": [
-    "./__mocks__",
-    "./tests",
-    "**/*.spec.ts",
-  ]
+  "exclude": ["./__mocks__", "./tests", "**/*.spec.ts"]
 }