Repository setup

[Baklap4]

What does this PR do?

• Sets up the repository as described in #4
  • EditorConfig added so we maintain the same formatting in every file.
  • Added links to involved parties
  • Added some Github templates

Closes Issue(s)

Closes #4

Motivation

A repository about standardization and formalization should in itself also be structured as otherwise it might defeat the purpose already by not giving a good example.

More

• [x] Added/updated documentation

Additional Notes

Please check if all the links are working

[Baklap4]

Please add UltraStar Play / Melody Mania to the list.

@basisbit Updated the branch to include UltrStar Play and Melody Mania