Check if game is english

[drpaneas]

Write a function checking if the game is in english language. There are various way to do that since there are lot's of keywords (e.g. US, USA, English, Europe, World --> they all mean this rom is in English language).

Example:
if isEnglish(rom) {
  //do something
}

Acceptance Criteria

• Write unit test
• Make sure there are testable examples
• Make the code part of internal/filters pkg
• For logging use https://github.com/Sirupsen/logrus

Extra Help:

• https://gopher.gr/basic-unit-testing-me-golang/
• For logging https://linuxhint.com/golang-logrus-package/