Adding in fixes for Webpack build

package.json

@@ -17,6 +17,7 @@
     "@babel/preset-react": "^7.16.7",
     "babel-loader": "^8.2.3",
     "clean-webpack-plugin": "^4.0.0",
+    "css-loader": "^6.7.1",
     "css-minimizer-webpack-plugin": "^3.4.1",
     "express": "^4.17.3",
     "html-critical-webpack-plugin": "^2.1.0",
@@ -24,6 +25,8 @@
     "html-webpack-plugin": "^5.5.0",
     "image-minimizer-webpack-plugin": "^3.2.3",
     "mini-css-extract-plugin": "^2.6.0",
+    "postcss-loader": "^6.2.1",
+    "resolve-url-loader": "^5.0.0",
     "sass": "^1.49.9",
     "sass-loader": "^12.6.0",
     "style-loader": "^3.3.1",