fix: reactjs demo during yarn install, fixes #145

simply remove unused dependencies fixes this issue, but I removed
all package-lock.json / yarn.lock since the demo should always be
in sync with the codebase

demo/reactjs/.env

@@ -0,0 +1 @@
+SKIP_PREFLIGHT_CHECK=true

demo/reactjs/package.json

@@ -3,10 +3,8 @@
   "version": "0.1.0",
   "private": true,
   "dependencies": {
-    "dns": "^0.2.2",
     "html-react-parser": "^0.4.7",
-    "liquidjs": "^6.0.1",
-    "path": "^0.12.7",
+    "liquidjs": "*",
     "react": "^16.5.2",
     "react-dom": "^16.5.2",
     "react-promise": "^2.0.3",

demo/reactjs/src/App.js

@@ -3,7 +3,7 @@ import logo from './logo.svg';
 import './App.css';
 
 let path   = require('path')
-let Liquid = require('liquidjs'); 
+let { Liquid } = require('liquidjs'); 
 
 let config = require('./views/demo.liquid');
 let pageConfig = config.toString()