Merge pull request #111 from ndru123/fix-old-placeholders

changed old placeholder :provider to new {provider}

src/Plugin.php

@@ -43,12 +43,12 @@ public function routes(RouteBuilder $routes): void
             ['plugin' => 'ADmad/SocialAuth', 'controller' => 'Auth'],
             function (RouteBuilder $routes) {
                 $routes->connect(
-                    '/login/:provider',
+                    '/login/{provider}',
                     ['action' => 'login'],
                     ['pass' => ['provider']]
                 );
                 $routes->connect(
-                    '/callback/:provider',
+                    '/callback/{provider}',
                     ['action' => 'callback'],
                     ['pass' => ['provider']]
                 );