Merge pull request #69 from david-fong/master

Add webpack v5 as a peer dependency option

Author: AnujRNair

package.json

@@ -34,7 +34,7 @@
     "memory-fs": "^0.5.0"
   },
   "peerDependencies": {
-    "webpack": "^2 || ^3 || ^4",
+    "webpack": "^2 || ^3 || ^4 || ^5",
     "html-webpack-plugin": "^2 || ^3 || ^4"
   },
   "devDependencies": {