Fix HMR and backtrack for SFC support now that PHPStorm supports them

Of course I wasted forever migrating OUT of SFCs only to go back to them.

package.json

@@ -8,7 +8,7 @@
         "lodash": "^4.17.11",
         "socket.io-client": "^2.1.1",
         "vee-validate": "^2.1.0-beta.2",
-        "vue": "^2.5.7",
+        "vue": "^2.6.4",
         "vue-axios": "^2.1.1",
         "vue-i18n": "^8.6.0",
         "vue-router": "^3.0.1",
@@ -31,6 +31,7 @@
         "clean-webpack-plugin": "^0.1.19",
         "css-loader": "^2.1.0",
         "cssnano": "^4.0.3",
+        "fork-ts-checker-webpack-plugin": "^0.5.2",
         "glob-all": "^3.1.0",
         "html-webpack-plugin": "^3.2.0",
         "mini-css-extract-plugin": "^0.5.0",
@@ -48,8 +49,9 @@
         "uglifyjs-webpack-plugin": "^2.1.1",
         "vue-devtools": "^3.1.9",
         "vue-feather-icons": "^4.7.1",
+        "vue-loader": "^15.6.2",
         "vue-mc": "^0.2.4",
-        "vue-template-compiler": "^2.5.16",
+        "vue-template-compiler": "^2.6.4",
         "vueify-insert-css": "^1.0.0",
         "webpack": "^4.29.0",
         "webpack-assets-manifest": "^3.1.1",