add admin portal logo

app/Providers/ViewServiceProvider.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace Crater\Providers;
+
+use Crater\View\AdminComposer;
+use Illuminate\Support\Facades\View;
+use Illuminate\Support\ServiceProvider;
+
+class ViewServiceProvider extends ServiceProvider
+{
+    /**
+     * Register services.
+     *
+     * @return void
+     */
+    public function register()
+    {
+        //
+    }
+
+    /**
+     * Bootstrap services.
+     *
+     * @return void
+     */
+    public function boot()
+    {
+        View::share('login_page_logo', get_login_page_logo());
+        View::share('login_page_heading', get_login_page_heading());
+        View::share('login_page_description', get_login_page_description());
+    }
+}