added docblocks, contract, and service provider

src/MetaServiceProvider.php

@@ -0,0 +1,40 @@
+<?php
+
+namespace Glmdev\Meta;
+
+use Glmdev\Meta\Contracts;
+use Glmdev\Meta\Meta;
+use Illuminate\Support\ServiceProvider;
+
+class MetaServiceProvider extends ServiceProvider
+{
+    /**
+     * Indicates if loading of the provider is deferred.
+     *
+     * @var bool
+     */
+    protected $defer = true;
+    
+    /**
+     * Register any package services.
+     *
+     * @return void
+     */
+    public function register()
+    {
+        $this->app->bind(Contracts\Meta::class, 'Meta');
+    }
+    
+    /**
+     * Get the services provided by the provider.
+     *
+     * @return array
+     */
+    public function provides()
+    {
+        return [
+            Contracts\Meta::class,
+            'Meta',
+        ];
+    }
+}