Merge pull request #5 from simple-login/feat/get-stats-endpoint

feat: add get stats endpoint

Merge pull request #4 from simple-login/feat/add-perks

feat: add perks

Merge pull request #3 from simple-login/feat/update-userinfo

feat: add canCreateReverseAlias to UserInfo struct

Update Package.swift

Remove old Endpoint & SLClient structs

CreateAliasEndpoint takes API key

Expose Alias & CustomDomain initializers

Expose Contact's initializer

Combine -> async/await

DELETE /api/setting/unlink_proton_account