add server-side code and mobile app code

server/vendor/fabpot/goutte/README.rst

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+Goutte, a simple PHP Web Scraper
+================================
+
+Goutte is a screen scraping and web crawling library for PHP.
+
+Goutte provides a nice API to crawl websites and extract data from the HTML/XML
+responses.
+
+**WARNING**: This library is deprecated. As of v4, Goutte became a simple proxy
+to the `HttpBrowser class
+<https://symfony.com/doc/current/components/browser_kit.html#making-external-http-requests>`_
+from the `Symfony BrowserKit <https://symfony.com/browser-kit>`_ component. To
+migrate, replace ``Goutte\\Client`` by
+``Symfony\\Component\\BrowserKit\\HttpBrowser`` in your code.
+
+Requirements
+------------
+
+Goutte depends on PHP 7.1+.
+
+Installation
+------------
+
+Add ``fabpot/goutte`` as a require dependency in your ``composer.json`` file:
+
+.. code-block:: bash
+
+    composer require fabpot/goutte
+
+Usage
+-----
+
+Create a Goutte Client instance (which extends
+``Symfony\Component\BrowserKit\HttpBrowser``):
+
+.. code-block:: php
+
+    use Goutte\Client;
+
+    $client = new Client();
+
+Make requests with the ``request()`` method:
+
+.. code-block:: php
+
+    // Go to the symfony.com website
+    $crawler = $client->request('GET', 'https://www.symfony.com/blog/');
+
+The method returns a ``Crawler`` object
+(``Symfony\Component\DomCrawler\Crawler``).
+
+To use your own HTTP settings, you may create and pass an HttpClient
+instance to Goutte. For example, to add a 60 second request timeout:
+
+.. code-block:: php
+
+    use Goutte\Client;
+    use Symfony\Component\HttpClient\HttpClient;
+
+    $client = new Client(HttpClient::create(['timeout' => 60]));
+
+Click on links:
+
+.. code-block:: php
+
+    // Click on the "Security Advisories" link
+    $link = $crawler->selectLink('Security Advisories')->link();
+    $crawler = $client->click($link);
+
+Extract data:
+
+.. code-block:: php
+
+    // Get the latest post in this category and display the titles
+    $crawler->filter('h2 > a')->each(function ($node) {
+        print $node->text()."\n";
+    });
+
+Submit forms:
+
+.. code-block:: php
+
+    $crawler = $client->request('GET', 'https://github.com/');
+    $crawler = $client->click($crawler->selectLink('Sign in')->link());
+    $form = $crawler->selectButton('Sign in')->form();
+    $crawler = $client->submit($form, ['login' => 'fabpot', 'password' => 'xxxxxx']);
+    $crawler->filter('.flash-error')->each(function ($node) {
+        print $node->text()."\n";
+    });
+
+More Information
+----------------
+
+Read the documentation of the `BrowserKit`_, `DomCrawler`_, and `HttpClient`_
+Symfony Components for more information about what you can do with Goutte.
+
+Pronunciation
+-------------
+
+Goutte is pronounced ``goot`` i.e. it rhymes with ``boot`` and not ``out``.
+
+Technical Information
+---------------------
+
+Goutte is a thin wrapper around the following Symfony Components:
+`BrowserKit`_, `CssSelector`_, `DomCrawler`_, and `HttpClient`_.
+
+License
+-------
+
+Goutte is licensed under the MIT license.
+
+.. _`Composer`: https://getcomposer.org
+.. _`BrowserKit`: https://symfony.com/components/BrowserKit
+.. _`DomCrawler`: https://symfony.com/doc/current/components/dom_crawler.html
+.. _`CssSelector`: https://symfony.com/doc/current/components/css_selector.html
+.. _`HttpClient`: https://symfony.com/doc/current/components/http_client.html