Add DoubleCherryGB core to `gb` & `gbc` #359

	name: Indices

	on:
	push:
	branches: [ main ]
	pull_request:
	branches: [ main ]
	workflow_dispatch:

	concurrency:
	group: ${{ github.ref }}
	cancel-in-progress: true

	jobs:
	update-indices:
	runs-on: ubuntu-latest
	steps:
	- name: checkout repo content
	uses: actions/checkout@v3

	- name: setup python
	uses: actions/setup-python@v4
	with:
	python-version: '3.10'

	- name: update platforms/index.js
	run: cd platforms && python generate_index.py

	- name: update platform_wallpapers_packs/index.js
	run: cd themes/platform_wallpapers_packs && python generate_index.py

	- name: update platform_thumbnails_packs/index.js
	run: cd themes/platform_thumbnails_packs && python generate_index.py

	- name: commit files
	run: \|
	git config --local user.email "[email protected]"
	git config --local user.name "GitHub Action"
	git add -A
	git diff-index --quiet HEAD \|\| (git commit -a -m "updated indices by GitHub Actions" --allow-empty)

	- name: push changes
	uses: ad-m/[email protected]
	with:
	github_token: ${{ secrets.GITHUB_TOKEN }}
	branch: main

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