Update index.json

[KieranMcL12]

Update store/store/index.json, added Retro Bowl.

[win11bot]

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[win11bot]

❌ Storing of the JSON file has failed due to verification issues

[KieranMcL12]

CLA Assistant Lite bot: Thank you for your submission, we really appreciate it. Like many open-source projects, we ask that you sign our Contributor License Agreement before we can accept your contribution. You can sign the CLA by just posting a Pull Request Comment same as the below format.

I have read the CLA Document and I hereby sign the CLA

You can retrigger this bot by commenting recheck in this Pull Request