ci: add workflow that rejects merging jpeg and png images #2

	name: Check File Names

	on:
	pull_request:
	branches: [main]

	jobs:
	check-file-names:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0 # Fetch all history to ensure we can access all branches

	- name: Fetch main branch
	run: git fetch origin main

	- name: List Added Files
	id: list-files
	run: \|
	# Get the list of added files from the pull request
	git diff --name-only --diff-filter=A origin/main...HEAD > added-files.txt

	- name: Check for Spaces in File Names
	id: check-spaces
	run: \|
	# Check for spaces in file names
	if grep -q ' ' added-files.txt; then
	echo "Error: Some added files have spaces in their names. Replace the spaces, for example, with a dash."
	grep ' ' added-files.txt
	exit 1
	else
	echo "All added files have valid names."
	fi

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