Address webpack compilation warnings

[mberlanda]

ntrypoint api/_event_list = js/api/_event_list-9e337fdc4136e65f5ee3.js js/api/_event_list-9e337fdc4136e65f5ee3.js.map
Entrypoint api/all_events [big] = js/api/all_events-12c0d3ae17b2e4caa847.js js/api/all_events-12c0d3ae17b2e4caa847.js.map
Entrypoint api/upcoming_events [big] = js/api/upcoming_events-a4d475559cff68ea37ce.js js/api/upcoming_events-a4d475559cff68ea37ce.js.map
Entrypoint api/welcome_actions = js/api/welcome_actions-033e71fb24fff7328198.js js/api/welcome_actions-033e71fb24fff7328198.js.map
Entrypoint application [big] = js/application-40ee4b820d67e1e4a033.js js/application-40ee4b820d67e1e4a033.js.map
Entrypoint server_rendering [big] = js/server_rendering-344b5dc48d034eeb604a.js js/server_rendering-344b5dc48d034eeb604a.js.map
Entrypoint styles = css/styles-3dd1c0cb.css js/styles-e9bd58d07ef9732db5e1.js js/styles-e9bd58d07ef9732db5e1.js.map
Entrypoint vendor = js/vendor-251bab67044ffedc43d1.js js/vendor-251bab67044ffedc43d1.js.map
 [28] (webpack)/buildin/module.js 552 bytes {0} {1} {2} {3} {4} {5} {7} [built]
[115] ./app/javascript/packs/api/_event_list.tsx 3.62 KiB {0} {1} {2} [built]
[152] (webpack)/buildin/global.js 905 bytes {4} {5} {7} [built]
[187] ./app/javascript/components sync ^\.\/.*$ 503 bytes {4} {5} [built]
[433] ./app/javascript/packs/api/all_events.tsx 219 bytes {1} [built]
[434] ./app/javascript/packs/api/upcoming_events.tsx 228 bytes {2} [built]
[435] ./app/javascript/packs/api/welcome_actions.tsx 3.6 KiB {3} [built]
[436] ./app/javascript/packs/application.js 908 bytes {4} [built]
[438] ./app/javascript/packs/server_rendering.ts 293 bytes {5} [built]
[439] ./app/javascript/packs/styles.ts 357 bytes {6} [built]
[446] ./app/javascript/packs/vendor.ts 728 bytes {7} [built]
    + 452 hidden modules

WARNING in asset size limit: The following asset(s) exceed the recommended size limit (244 KiB).
This can impact web performance.
Assets: 
  media/fonts/fontawesome-webfont-c1e38fd9.svg (434 KiB)
  js/api/all_events-12c0d3ae17b2e4caa847.js (272 KiB)
  js/api/upcoming_events-a4d475559cff68ea37ce.js (272 KiB)
  js/application-40ee4b820d67e1e4a033.js (533 KiB)
  js/server_rendering-344b5dc48d034eeb604a.js (519 KiB)
  js/vendor-251bab67044ffedc43d1.js.map.gz (257 KiB)
  js/api/all_events-12c0d3ae17b2e4caa847.js.map.gz (283 KiB)
  js/api/upcoming_events-a4d475559cff68ea37ce.js.map.gz (283 KiB)
  js/api/welcome_actions-033e71fb24fff7328198.js.map.gz (249 KiB)
  js/server_rendering-344b5dc48d034eeb604a.js.map.gz (523 KiB)
  js/application-40ee4b820d67e1e4a033.js.map.gz (535 KiB)
  js/application-40ee4b820d67e1e4a033.js.map.br (441 KiB)
  js/server_rendering-344b5dc48d034eeb604a.js.map.br (431 KiB)

WARNING in entrypoint size limit: The following entrypoint(s) combined asset size exceeds the recommended limit (244 KiB). This can impact web performance.
Entrypoints:
  api/all_events (272 KiB)
      js/api/all_events-12c0d3ae17b2e4caa847.js
  api/upcoming_events (272 KiB)
      js/api/upcoming_events-a4d475559cff68ea37ce.js
  application (533 KiB)
      js/application-40ee4b820d67e1e4a033.js
  server_rendering (519 KiB)
      js/server_rendering-344b5dc48d034eeb604a.js

WARNING in webpack performance recommendations: 
You can limit the size of your bundles by using import() or require.ensure to lazy load some parts of your application.
For more info visit https://webpack.js.org/guides/code-splitting/
Child mini-css-extract-plugin node_modules/css-loader/dist/cjs.js??ref--6-1!node_modules/postcss-loader/src/index.js??ref--6-2!node_modules/bootstrap-datepicker/dist/css/bootstrap-datepicker.min.css:
    Entrypoint mini-css-extract-plugin = *
       2 modules
Child mini-css-extract-plugin node_modules/css-loader/dist/cjs.js??ref--6-1!node_modules/postcss-loader/src/index.js??ref--6-2!node_modules/bootstrap/dist/css/bootstrap.css:
    Entrypoint mini-css-extract-plugin = *
       8 modules
Child mini-css-extract-plugin node_modules/css-loader/dist/cjs.js??ref--6-1!node_modules/postcss-loader/src/index.js??ref--6-2!node_modules/jquery-timepicker/jquery.timepicker.css:
    Entrypoint mini-css-extract-plugin = *
       2 modules
Child mini-css-extract-plugin node_modules/css-loader/dist/cjs.js??ref--6-1!node_modules/postcss-loader/src/index.js??ref--6-2!node_modules/multiselect/css/multi-select.css:
    Entrypoint mini-css-extract-plugin = *
       4 modules
Child mini-css-extract-plugin node_modules/css-loader/dist/cjs.js??ref--6-1!node_modules/postcss-loader/src/index.js??ref--6-2!node_modules/wowjs/css/libs/animate.css:
    Entrypoint mini-css-extract-plugin = *
       2 modules
Child mini-css-extract-plugin node_modules/css-loader/dist/cjs.js??ref--7-1!node_modules/postcss-loader/src/index.js??ref--7-2!node_modules/sass-loader/dist/cjs.js??ref--7-3!node_modules/font-awesome/scss/font-awesome.scss:
    Entrypoint mini-css-extract-plugin = *
       9 modules