No longer need to put ruffle stuff in source tree. Made ruffle not use

polyfills also.

package.json

@@ -32,6 +32,7 @@
     "phoenix": "^1.3.0",
     "portal-vue": "^2.1.4",
     "punycode.js": "^2.1.0",
+    "ruffle-mirror": "^2021.4.10",
     "v-click-outside": "^2.1.1",
     "vue": "^2.6.11",
     "vue-i18n": "^7.3.2",
@@ -57,6 +58,7 @@
     "chalk": "^1.1.3",
     "chromedriver": "^87.0.1",
     "connect-history-api-fallback": "^1.1.0",
+    "copy-webpack-plugin": "^6.4.1",
     "cross-spawn": "^4.0.2",
     "css-loader": "^0.28.0",
     "custom-event-polyfill": "^1.0.7",
@@ -111,7 +113,7 @@
     "url-loader": "^1.1.2",
     "vue-loader": "^14.0.0",
     "vue-style-loader": "^4.0.0",
-    "webpack": "^4.0.0",
+    "webpack": "^4.44.0",
     "webpack-dev-middleware": "^3.6.0",
     "webpack-hot-middleware": "^2.12.2",
     "webpack-merge": "^0.14.1"