fix: configure webpack to fix paid powerpaste plugin (#783)

webpack.dev.config.js

@@ -0,0 +1,12 @@
+const { createConfig } = require('@edx/frontend-build');
+
+const config = createConfig('webpack-dev', {
+  resolve: {
+    fallback: {
+      fs: false,
+      constants: false,
+    },
+  },
+});
+
+module.exports = config;

webpack.prod.config.js

@@ -0,0 +1,12 @@
+const { createConfig } = require('@edx/frontend-build');
+
+const config = createConfig('webpack-prod', {
+  resolve: {
+    fallback: {
+      fs: false,
+      constants: false,
+    },
+  },
+});
+
+module.exports = config;