Complete overhaul of code structure and relevant files (#639)

.github/workflows/CI.yml

@@ -16,9 +16,8 @@ jobs:
     - name: Check if CookieMonster.js is built correctly 
       run: |
         npm install
-        npx webpack
-        npx terser ./dist/Header.js ./dist/Cache.js ./dist/Config.js ./dist/Data.js ./dist/Disp.js ./dist/Main.js ./dist/Sim.js ./dist/Footer.js -o CookieMonsterTest.js
-        if cmp CookieMonster.js CookieMonsterTest.js; then
+        npx webpack -o ./test --env production
+        if cmp dist/CookieMonster.js test/CookieMonster.js; then
             echo '### SUCCESS: CookieMonster is correctly built! ###'
         else
             echo '### WARNING: CookieMonster.js does not seem to be correct. Make sure to run "npm run build" after saving all your changes! ###'