feat: add pricing tiers ui

[Kitenite]

Description

Related Issues

Type of Change

• [ ] Bug fix
• [ ] New feature
• [ ] Documentation update
• [ ] Release
• [ ] Refactor
• [ ] Other (please describe):

Testing

Screenshots (if applicable)

Additional Notes

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[!IMPORTANT] Add pricing tiers UI and update database schema for subscription plans.

• UI Changes:
  • Added TierPricingTable component in tier-pricing.tsx to display tiered pricing.
  • Updated PricingPage in page.tsx to include TierPricingTable and revised plan keys and data structure.
• Database Schema:
  • Added plans, planPrices, subscriptions, and usageRecords tables in index.ts to support subscription plans.
  • Defined SubscriptionPlans enum and subscriptionPlanType for plan types.
• Misc:
  • Renamed plan keys in page.tsx from BASIC, LAUNCH, SCALE to FREE, PRO, TEAMS.

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Name	Status	Preview	Comments	Updated (UTC)
docs	❌ Failed (Inspect)			Jun 12, 2025 6:53pm
web	❌ Failed (Inspect)			Jun 12, 2025 6:53pm

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