Add sandbox project using Contentful CMS

I used the boilerplate/typescript project as a starting point. This project
fetches and renders books that I'm defining in a Contentful CMS that I created.

website/sandbox/contentful/package.json

@@ -0,0 +1,26 @@
+{
+  "name": "tailwindcss",
+  "version": "1.0.0",
+  "main": "index.js",
+  "license": "MIT",
+  "scripts": {
+    "dev": "npx parcel src/index.html & npx tsc --watch --noEmit"
+  },
+  "devDependencies": {
+    "@types/node": "^13.9.3",
+    "parcel-bundler": "^1.12.4",
+    "tailwindcss": "^1.2.0",
+    "typescript": "^3.8.3"
+  },
+  "dependencies": {
+    "@reduxjs/toolkit": "^1.2.5",
+    "@types/react-dom": "^16.9.5",
+    "@types/react-redux": "^7.1.7",
+    "@types/react-router-dom": "^5.1.3",
+    "contentful": "^7.14.0",
+    "react": "^16.13.1",
+    "react-dom": "^16.13.1",
+    "react-redux": "^7.2.0",
+    "react-router-dom": "^5.1.2"
+  }
+}