Update to Node16

- firebase does not support '>'

Author: rvsia

README.md

@@ -241,7 +241,7 @@ Data Driven Forms is a monorepo that uses [Lerna](https://github.com/lerna/lerna
 
 ## Requirements
 
-- **○ NodeJS 12+**
+- **○ NodeJS 16**
 
 - **○ Unix like OS (MacOS, Linux)**
 

packages/react-renderer-demo/package.json

@@ -11,7 +11,7 @@
         "directory": "packages/react-renderer-demo"
     },
     "engines": {
-        "node": ">12"
+        "node": "16"
     },
     "private": true,
     "scripts": {

packages/react-renderer-demo/src/pages/development-setup.md

@@ -10,7 +10,7 @@ Data Driven Forms is a monorepo that uses [Lerna](https://github.com/lerna/lerna
 
 ## Requirements
 
-- **○ NodeJS 12+**
+- **○ NodeJS 16**
 
 - **○ Unix like OS (MacOS, Linux)**