* feat: expose a getToken function that returns all non-nested values of an app. Remove the access point mapping in the App struct.
* test: add test for getToken to hardhat
* test: add test cases for getToken (forge tests).
* docs: update header comments for getToken
* fix: apply Zoruka's suggestion
* fix: apply Zoruka's suggestion for expectingRevert
* fix: revert expectRevert