* BE social oauth verify
* FE social oauth verification
* readme updates
* README social verification setup instructions
* adjust tests socialMedias
* BE add social verify tests
* save changes before leaving to OAuth
* Fix migration.
* Adjust social button styles.
* Remove question mark.
* merge fix
* fix migration branch
* example auth service
* prep for merge
* MVP signed transaction based auth
* update auth service endpoint and delete checked-in auth service
* add readme explanation for AUTH_URL
* rename eip-712 headers
* fix test errors