Add New Country (Malaysia)

[fathikhalid7]

Contributing a new country ?

• Have you checked to ensure there aren't other open Pull Requests for the same country?

1. Create a new class in the Countries directory. It should extend the Country class. CHECKED
2. Add a test for the new country in the tests directory. CHECKED
3. Run the tests so a snapshot gets created. CHECKED
4. Verify the result in the newly created snapshot is correct. CHECKED

[Nielsvanpach]

Malaysia is already merged. Feel free to send an additional PR in case something is not working as expected.