feat: update Twig from v1 => v2 (#64)

Co-authored-by: Adam Juran <[email protected]>

BREAKING CHANGE: Twig PHP updated from v1 => v2 - everything *should* work fine

Author: juranosaurustechs

composer.json

@@ -9,7 +9,7 @@
   },
   "require": {
     "ext-json": "*",
-    "twig/twig": "^1.41.1",
+    "twig/twig": "^2.12",
     "react/http": "^0.8.3"
   }
 }