Add custom material-tree-renderer

Author: TheZoker

yarn.lock

@@ -35,6 +35,17 @@
     react-dnd-html5-backend "^2.6.0"
     recompose "^0.27.1"
 
+"@jsonforms/material-tree-renderer@https://github.com/TheZoker/jsonforms-material-tree-renderer.git#master":
+  version "2.2.0"
+  resolved "https://github.com/TheZoker/jsonforms-material-tree-renderer.git#55a8ecfccc8833d11f377b8ff74a791801859944"
+  dependencies:
+    "@material-ui/core" "^3.3.1"
+    "@material-ui/icons" "^3.0.1"
+    react "^16.4.0"
+    react-dnd "^2.6.0"
+    react-dnd-html5-backend "^2.6.0"
+    recompose "^0.27.1"
+
 "@jsonforms/react@^2.2.0":
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/@jsonforms/react/-/react-2.2.0.tgz#4f13f28a91eb01fc4c40bf59bf328df2e6d9f041"