[WIP] Add engaging referral and rewards systems

[Copilot]

• Analyze existing referral system and understand current implementation
• Design enhancements for more engaging referral rewards
• Create referral tiers/milestones model for gamification
• Implement referral reward bonuses (points + monetary rewards)
• Create referral dashboard view and template
• Add referral sharing features (social media, email)
• Create automated referral milestone notifications
• Add comprehensive tests for new referral features
• Update navigation with referral dashboard links
• Create comprehensive documentation
• Final testing and validation

Original prompt

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This section details on the original issue you should resolve

<issue_title>Engaging Referral and Rewards Systems - Create referral programs that reward users for bringing friends:</issue_title>
<issue_description></issue_description>

Comments on the Issue (you are @copilot in this section)

@A1L13N @coderabbitai please code this and use the existing models where appropriate @A1L13N @HarishKarthickS you can slash assign it to yourself. I’ve updated the code sample for you. @A1L13N You can type slash assign

Fixes #38

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[coderabbitai]

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[A1L13N]

@copilot please finish this

[A1L13N]

@copilot please finish this

[A1L13N]

@copilot please finish this