Create Indonesian translation

[zmni]

Description

New Indonesian translation.

Type of change

Just put an x in the [] which are valid.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

How Has This Been Tested?

Please describe the tests that you ran to verify your changes.

• ./gradlew assembleDebug assembleRelease
• ./gradlew checkstyle

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings

[allgood]

merged. thank you @zmni .

Can you please take a look on creating an indonesian version of about.md? remember that you need to change the string that points to it (just look at another translations like portuguese or german on how to do it)

thank you again, and, best regards