Enable Sign in with Apple as a Social Login Option

🔍Problem Story

Pelcro doesn’t currently support Sign in with Apple. This creates friction for iOS users, limits login flexibility, and may lead to App Store compliance issues when other third-party sign-ins (Google, Facebook) are present.

💡 User Story

As a Pelcro end-user who owns an Apple ID,
I want the option to log in or register with Sign in with Apple,
So that I can access Pelcro-powered apps and websites securely, quickly, and in compliance with Apple’s requirements.

🎯 Definition of Done (DoD)

• UI: “Sign in with Apple” button is displayed consistently with Apple’s branding guidelines.

• Functionality: Users can successfully authenticate with Apple and access their Pelcro account.

• New Accounts: Users who choose Apple for the first time have an account created automatically.

• Existing Accounts: Returning users with Apple login are recognized and signed in.

• Testing: QA verifies login, signup, error handling, and logout flows.