Add Facebook social login

resources/js/admin/i18n/locales/en/auth.json

@@ -39,9 +39,10 @@
       "missing_token": "Reset token missing."
     },
     "actions_title": "Choose your sign-in method",
-    "actions_copy": "Access the customer dashboard securely with your Fotospiel login or your Google account.",
+    "actions_copy": "Access the customer dashboard securely with your Fotospiel login or your Google or Facebook account.",
     "cta": "Continue with Fotospiel login",
     "google_cta": "Continue with Google",
+    "facebook_cta": "Continue with Facebook",
     "open_account_login": "Open account login",
     "loading": "Signing you in …",
     "oauth_error_title": "Login not possible right now",
@@ -54,7 +55,9 @@
       "invalid_scope": "The app asked for permissions it cannot receive.",
       "tenant_mismatch": "You don’t have access to the customer account that requested this login.",
       "google_failed": "Google sign-in was not successful. Please try again or use another method.",
-      "google_no_match": "We couldn’t link this Google account to a customer admin. Please sign in with Fotospiel credentials."
+      "google_no_match": "We couldn’t link this Google account to a customer admin. Please sign in with Fotospiel credentials.",
+      "facebook_failed": "Facebook sign-in was not successful. Please try again or use another method.",
+      "facebook_no_match": "We couldn’t link this Facebook account to a customer admin. Please sign in with Fotospiel credentials."
     },
     "return_hint": "After signing in you’ll be brought back automatically.",
     "support": "Need access? Contact your event team or email support@fotospiel.de — we're happy to help.",