Add oauth support

- Support azure, bitbucket, github, gitlab, google providers
- Add authentication page to settings

Co-authored-by: Suraj Kumar <srjkmr1024@gmail.com>
Co-authored-by: Michael Castanieto <mcastanieto@gmail.com>
Co-authored-by: Mike Kim <m.kim4247@gmail.com>

app/Http/Controllers/OauthController.php

@@ -0,0 +1,35 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Http\Controllers\Controller;
+use App\Models\User;
+
+use Illuminate\Support\Facades\Auth;
+
+class OauthController extends Controller {
+    public function redirect(string $provider)
+    {
+        $socialite_provider = get_socialite_provider($provider);
+        return $socialite_provider->redirect();
+    }
+
+    public function callback(string $provider)
+    {
+        try {
+            $oauthUser = get_socialite_provider($provider)->user();
+            $user = User::whereEmail($oauthUser->email)->first();
+            if (!$user) {
+                $user = User::create([
+                    'name' => $oauthUser->name,
+                    'email' => $oauthUser->email,
+                ]);
+            }
+            Auth::login($user);
+            return redirect('/');
+        } catch (\Exception $e) {
+            ray($e->getMessage());
+            return redirect()->route('login')->withErrors([__('auth.failed.callback')]);
+        }
+    }
+}