Add dependencies

symfony.lock

@@ -1,7 +1,13 @@
 {
+    "composer/installers": {
+        "version": "v1.6.0"
+    },
     "doctrine/inflector": {
         "version": "v1.3.0"
     },
+    "jublonet/codebird-php": {
+        "version": "3.1.0"
+    },
     "nikic/php-parser": {
         "version": "v4.1.1"
     },
@@ -89,6 +95,9 @@
     "symfony/polyfill-mbstring": {
         "version": "v1.10.0"
     },
+    "symfony/polyfill-php72": {
+        "version": "v1.10.0"
+    },
     "symfony/routing": {
         "version": "4.2",
         "recipe": {
@@ -98,10 +107,16 @@
             "ref": "5374e24d508ba8fd6ba9eb15170255fdb778316a"
         }
     },
+    "symfony/var-dumper": {
+        "version": "v4.2.2"
+    },
     "symfony/var-exporter": {
         "version": "v4.2.1"
     },
     "symfony/yaml": {
         "version": "v4.2.1"
+    },
+    "tightenco/collect": {
+        "version": "v5.7.20"
     }
 }