problem with UPPER/lower case file names

[varis]

there is a mix of the same file names but in different cases.
it creates a problem for case-insensitive file systems (MacOS, Windows).

that you see if do a fresh git pull

git status 
On branch main
Your branch is up to date with 'origin/main'.

Changes not staged for commit:
  (use "git add <file>..." to update what will be committed)
  (use "git restore <file>..." to discard changes in working directory)
	modified:   skills/amazon-checkout/HEARTBEAT.md
	modified:   skills/amazon-checkout/SKILL.md
	modified:   skills/payment/HEARTBEAT.md
	modified:   skills/payment/SKILL.md
	modified:   skills/payment/STRIPE-X402-WALLET.md
	modified:   skills/stripe/HEARTBEAT.md
	modified:   skills/stripe/SKILL.md
	modified:   skills/stripe/STRIPE-X402-WALLET.md
	modified:   skills/zyfai-sdk/SKILL.md