feat: automate greeting using github action

[dakshsinghrathore]

This PR fixes the issue #67 , kindly review it and merge.

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Name	Status	Preview	Comments	Updated (UTC)
shopy-frontend	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	May 13, 2024 6:13pm

[dakshsinghrathore]

@mohitparmar1