Switch to PSR-4, fix CS and update service provider

src/SearchyServiceProvider.php

@@ -0,0 +1,56 @@
+<?php
+
+namespace TomLingham\Searchy;
+
+use Illuminate\Support\ServiceProvider;
+
+class SearchyServiceProvider extends ServiceProvider
+{
+    /**
+     * Indicates if loading of the provider is deferred.
+     *
+     * @var bool
+     */
+    protected $defer = false;
+
+    /**
+     * Register the service provider.
+     */
+    public function register()
+    {
+        //
+    }
+
+    /**
+     * Registers searchy.
+     */
+    public function registerSearchy()
+    {
+        $this->app->bindShared('searchy', function ($app) {
+            return new SearchBuilder($app['config']);
+        });
+    }
+
+    /**
+     * Loads the configuration file.
+     */
+    public function setupConfig()
+    {
+        $source = realpath(__DIR__.'/../config/searchy.php');
+
+        if (class_exists('Illuminate\Foundation\Application', false)) {
+            $this->publishes([$source => config_path('searchy.php')]);
+        }
+
+        $this->mergeConfigFrom($source, 'searchy');
+    }
+
+    /**
+     * Boot the service provider.
+     */
+    public function boot()
+    {
+        $this->setupConfig();
+        $this->registerSearchy();
+    }
+}