Add Composer autoloading functions and PHPStan for testing

vendor/nette/robot-loader/readme.md

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+RobotLoader: comfortable autoloading
+====================================
+
+[![Downloads this Month](https://img.shields.io/packagist/dm/nette/robot-loader.svg)](https://packagist.org/packages/nette/robot-loader)
+[![Build Status](https://travis-ci.org/nette/robot-loader.svg?branch=master)](https://travis-ci.org/nette/robot-loader)
+[![Coverage Status](https://coveralls.io/repos/github/nette/robot-loader/badge.svg?branch=master)](https://coveralls.io/github/nette/robot-loader?branch=master)
+[![Latest Stable Version](https://poser.pugx.org/nette/robot-loader/v/stable)](https://github.com/nette/robot-loader/releases)
+[![License](https://img.shields.io/badge/license-New%20BSD-blue.svg)](https://github.com/nette/robot-loader/blob/master/license.md)
+
+
+Introduction
+------------
+
+RobotLoader is a tool that gives you comfort of automated class loading for your entire application including third-party libraries.
+
+- get rid of all `require`
+- only necessary scripts are loaded
+- requires no strict file naming conventions
+- allows more classes in single file
+
+RobotLoader is extremely comfortable and addictive!
+
+If you like Nette, **[please make a donation now](https://nette.org/donate)**. Thank you!
+
+So we can forget about those famous code blocks:
+
+```php
+require_once 'Utils/Page.php';
+require_once 'Utils/Style.php';
+require_once 'Utils/Paginator.php';
+...
+```
+
+Like the Google robot crawls and indexes websites, RobotLoader crawls all PHP scripts and records what classes and interfaces were found in them.
+These records are then saved in cache and used during all subsequent requests.
+
+Documentation can be found on the [website](https://doc.nette.org/robotloader).
+
+
+Installation
+------------
+
+The recommended way to install is via Composer:
+
+```
+composer require nette/robot-loader
+```
+
+It requires PHP version 5.6 and supports PHP up to 7.2.
+
+
+Usage
+-----
+
+You just need to specifiy what directories to index and where to save the cache:
+
+```php
+$loader = new Nette\Loaders\RobotLoader;
+
+// Add directories for RobotLoader to index
+$loader->addDirectory(__DIR__ . '/app');
+$loader->addDirectory(__DIR__ . '/libs');
+
+// And set caching to the 'temp' directory
+$loader->setTempDirectory(__DIR__ . '/temp');
+$loader->register(); // Run the RobotLoader
+```
+
+And that's all. From now on, you don't need to use `require`. Great, isn't it?
+
+When RobotLoader encounters duplicate class name during indexing, it throws an exception and informs you about it.
+
+The `$loader->setAutoRefresh(true or false)` determines whether RobotLoader should reindex files if asked for nonexistent class.
+This feature should be disabled on production server.
+
+If you want RobotLoader to skip some directory, use `$loader->excludeDirectory('temp')`.
+
+By default, RobotLoader reports errors in PHP files by throwing exception `ParseError` (since PHP 7.0). It can be disabled via `$loader->reportParseErrors(false)`.