Add SPA prerendering plugin for SEO

package.json

@@ -49,6 +49,7 @@
     "css-loader": "^0.28.11",
     "express": "^4.16.3",
     "file-loader": "^1.1.11",
+    "fs-extra": "^6.0.1",
     "html-webpack-plugin": "^3.2.0",
     "husky": "^1.0.0-rc.9",
     "image-webpack-loader": "^4.3.0",
@@ -57,6 +58,7 @@
     "npm-run-all": "^4.1.3",
     "plop": "^2.0.0",
     "postcss-loader": "^2.1.5",
+    "puppeteer": "^1.5.0",
     "react": "^16.4.0",
     "react-addons-test-utils": "^15.6.2",
     "react-dom": "^16.4.0",
@@ -69,17 +71,17 @@
     "stylelint-webpack-plugin": "^0.10.5",
     "testcafe": "^0.20.3",
     "tslint": "^5.10.0",
-    "typescript": "^2.9.1",
     "uglifyjs-webpack-plugin": "^1.2.5",
     "webpack": "^4.11.1",
     "webpack-cli": "^3.0.3",
     "webpack-dev-middleware": "^3.1.3",
     "webpack-dev-server": "^3.1.4",
-    "webpack-merge": "^4.1.2"
+    "webpack-merge": "^4.1.2",
+    "dotenv-webpack": "^1.5.7",
+    "prerender-spa-plugin": "^3.2.1"
   },
   "dependencies": {
     "axios": "^0.18.0",
-    "dotenv-webpack": "^1.5.7",
     "mobx": "^5.0.3",
     "mobx-react": "^5.2.3",
     "normalize.css": "^8.0.0"