add skiko-awt-runtime into gradle config for implement skiko for each OS

[Merati22]

for resolving this issue i did this. https://github.com/mahozad/comshot/issues/3

[mahozad]

@Merati22 I have invited you as a collaborator.

If you don't mind, can you please do these:

• Create another branch in your fork (name it whatever you want)
• Add your commit to that branch
• Create a pull request like this pull request from that branch
• Check the box on the bottom of pull request on GitHub that says "Allow edits by maintainers"

[mahozad]

@Merati22 Hello?