Update dependencies

- Require webpack & html-webpack-alter-asset-plugin
- Remove lodash

Author: GwendolenLynch

package.json

@@ -17,9 +17,10 @@
   "author": "Gawain Lynch <gawain.lynch@gmail.com>",
   "license": "MIT",
   "dependencies": {
+    "html-webpack-alter-asset-plugin": "^1.0.0",
     "html-webpack-plugin": "^3.2.0",
-    "lodash": "^4.17.11",
-    "require-safe": "^1.1.0"
+    "require-safe": "^1.1.0",
+    "webpack": "^4.41.5"
   },
   "devDependencies": {
     "@typescript-eslint/eslint-plugin": "^2.10.0",