Create achievement badges and a progression system

[Marvy247]

Design a set of achievement badges: first hand played, first win, royal flush, 100 hands played, etc. Display badges on player profiles. Store achievements in a lightweight contract.

[amina69]

@amina69 has applied to work on this issue as part of the Stellar Wave Program's 8th wave.

hi, let me work on this

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[SamixYasuke]

@SamixYasuke has applied to work on this issue as part of the Stellar Wave Program's 8th wave.

I’d like to work on this feature by designing and implementing a lightweight achievement system covering milestones such as first hand played, first win, royal flush, and 100 hands played. I’ll define clear achievement criteria, persist earned achievements in the contract, and ensure achievements are awarded without creating duplicate records.

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[iamtjbest]

@iamtjbest has applied to work on this issue as part of the Stellar Wave Program's 8th wave.

Hi, maintainer. I can fix this!

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