chore: add Facebook Auth example

[grdsdev]

What kind of change does this PR introduce?

Bug fix, feature, docs update, ...

What is the current behavior?

Please link any relevant issues here.

What is the new behavior?

Feel free to include screenshots if it includes visual changes.

Additional context

Add any other context or screenshots.

[Copilot]

Pull Request Overview

Adds a Facebook authentication example to the Supabase Swift SDK examples, including package dependency, example view, app delegate setup, and documentation.

• Introduce facebook-ios-sdk in the Swift package resolution.
• Create SignInWithFacebook view and wire it into the app lifecycle and AuthView.
• Update Info.plist and README with Facebook App ID, client token, and URL scheme placeholders.

Reviewed Changes

Copilot reviewed 7 out of 7 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
Supabase.xcworkspace/xcshareddata/swiftpm/Package.resolved	Added facebook-ios-sdk dependency
Examples/README.md	Documented Facebook Sign-In setup
Examples/Examples/Info.plist	Added FacebookAppID, FacebookClientToken, URL schemes
Examples/Examples/ExamplesApp.swift	Configured AppDelegate and SceneDelegate for Facebook Login
Examples/Examples/Auth/SignInWithFacebook.swift	New SwiftUI view for Facebook sign-in example
Examples/Examples/Auth/AuthView.swift	Integrated Facebook option into AuthView
Examples/Examples.xcodeproj/project.pbxproj	Registered new source file and Swift package products

Comments suppressed due to low confidence (4)

Examples/Examples/Info.plist:20

• [nitpick] Placeholder formatting includes spaces inside braces. Use a consistent placeholder name without spaces, e.g. {{DOT_REVERSED_IOS_CLIENT_ID}}, to avoid substitution errors.

<string>{{ DOT_REVERSED_IOS_CLIENT_ID }}</string>

Examples/Examples/Info.plist:26

• Placeholder includes spaces and unusual naming. Consider using fb{{FACEBOOK_APP_ID}} to match typical placeholder conventions and ensure a valid URL scheme.

<string>fb{{ FACEBOOK APP ID }}</string>

Examples/README.md:13

• Add a step to resolve Swift Package dependencies (e.g., via Xcode’s Swift Packages menu or swift package update) so the Facebook SDK is fetched before building.

3. Build and run the project (⌘R)

Examples/Examples/ExamplesApp.swift:19

• Missing return statement in application(_:didFinishLaunchingWithOptions:). The method must return a Bool; either return the result of ApplicationDelegate.shared.application(...) or explicitly return true.

ApplicationDelegate.shared.application(

[Copilot]

[nitpick] Scope the logger by declaring it as a private static property inside the SignInWithFacebook struct to avoid polluting the global namespace.

Suggested change

	let logger = Logger(subsystem: "com.supabase.examples", category: "SignInWithFacebook")
	struct SignInWithFacebook: View {
	struct SignInWithFacebook: View {
	private static let logger = Logger(subsystem: "com.supabase.examples", category: "SignInWithFacebook")

[coveralls]

Pull Request Test Coverage Report for Build 15531908710

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall first build on guilherme/example-facebook at 75.652%

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Totals
Change from base Build 15390678797:	75.7%
Covered Lines:	5223
Relevant Lines:	6904

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💛 - Coveralls