feat: Added favicon + compression

Author: rafaelpernil2

favicon.ico

@@ -5,7 +5,7 @@
  "main": "index.js",
  "scripts": {
  "test": "echo \"Error: no test specified\" && exit 0",
- "build": "cpy index.html build/ && uglifyjs --output build/index.min.js --compress --mangle -- index.js"
+ "build": "cpy index.html build/ && cpy favicon.ico build/ && uglifyjs --output build/index.min.js --compress --mangle --toplevel -- index.js"
  },
  "repository": {
  "type": "git",