♻️(tokens) expose default tokens in a lib and various config

This allow to use the default tokens from Typescript or Javascript file
of dependents repos. For instance this wîll be used by packages/react
to aggregate components tokens files.

packages/tokens/tsconfig.eslint.json

@@ -0,0 +1,6 @@
+{
+  "include": [
+    "**/*.ts",
+    "**/*.js",
+  ]
+}