Add various badges #2

	name: ShellCheck
	on: [push]

	jobs:
	shellcheck:
	name: Shellcheck
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- name: Run ShellCheck
	uses: ludeeus/action-shellcheck@master
	# SC2086 (info): Double quote to prevent globbing and word splitting.
	# SC2006: (style): Use $(...) notation instead of legacy backticks `...`
	# SC3043 (warning): In POSIX sh, 'local' is undefined.
	# https://stackoverflow.com/questions/18597697/posix-compliant-way-to-scope-variables-to-a-function-in-a-shell-script#answer-18600920
	# SC2046 (warning): Quote this to prevent word splitting.
	# SC2003 (style): expr is antiquated. Consider rewriting this using $((..)), ${} or [[ ]].
	env:
	SHELLCHECK_OPTS: -e SC2086 -e SC2006 -e SC3043 -e SC2046 -e SC2003
	with:
	scandir: './kickstart_source_script'

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