1.12.0

• Added freeIf parameter to PaidFeatureButton & PaidFeatureView for freemium features with usage limits

  Example usage with PaidFeatureButton:

  // Let users export 3 PDFs for free, then require subscription
  // - Shows normal button while free exports remain
  // - Shows locked button & paywall after limit reached
  PaidFeatureButton(
      "Export PDF",  
      systemImage: "doc.pdf",
      freeIf: { remainingFreeExports > 0 }
  ) {
      exportPDF()
      remainingFreeExports -= 1
  }

  Example usage with PaidFeatureView:

  PaidFeatureView(freeIf: { usedPremiumContents.count < freeUsageLimit }) {
      Text("Premium Content")  // Shown when subscribed or free condition is met
  } lockedView: {
      Label("Get Premium Content", systemImage: "lock")  // Shown when locked
  }