new: usr: add mineseeker game to the symfony 4 project #3

templates/Recent/facebook.html.twig

@@ -0,0 +1,23 @@
+<script type="text/javascript">
+    window.fbAsyncInit = function () {
+        FB.init({
+            appId: '{{ facebook_api }}',
+            xfbml: true,
+            cookie: true,
+            status: true,
+            oauth: true,
+            version: '{{ facebook_api_version }}'
+        });
+    };
+
+    (function (d, s, id) {
+        var js, fjs = d.getElementsByTagName(s)[0];
+        if (d.getElementById(id)) {
+            return;
+        }
+        js = d.createElement(s);
+        js.id = id;
+        js.src = "//connect.facebook.net/en_US/sdk.js";
+        fjs.parentNode.insertBefore(js, fjs);
+    }(document, 'script', 'facebook-jssdk'));
+</script>