Complete Pezkuwi rebrand for Play Store release

User-visible changes:
- All strings.xml: Nova → Pezkuwi (12 languages, 721 references)
- App name: Pezkuwi Wallet
- Deep links: pezkuwiwallet://
- WalletConnect: Pezkuwi Wallet metadata
- Backup files: pezkuwiwallet_backup.json
- Push notifications: Pezkuwi Wallet branding

Technical changes:
- Gradle namespaces: io.pezkuwichain.wallet.*
- JS interface prefix: Pezkuwi_*
- User-Agent: Pezkuwi Wallet (Android)
- Firebase: pezkuwi-wallet project config

Assets:
- Nevroz fire logo (Kurdish colors theme)
- 6 density PNG files

Documentation:
- PACKAGE_STRUCTURE_REBRAND.md for future refactoring

feature-wallet-connect-api/src/main/java/io/novafoundation/nova/feature_wallet_connect_api/presentation/utils/WalletConnectUtils.kt

@@ -4,9 +4,9 @@ import android.net.Uri
 
 object WalletConnectUtils {
     fun isWalletConnectPairingLink(data: Uri): Boolean {
-        val isNovaLink = data.scheme == "novawallet" && data.host == "wc"
+        val isPezkuwiLink = data.scheme == "pezkuwiwallet" && data.host == "wc"
         val isLinkFromOtherSource = data.scheme == "wc"
-        val isWalletConnectLink = isNovaLink || isLinkFromOtherSource
+        val isWalletConnectLink = isPezkuwiLink || isLinkFromOtherSource
 
         val isPairing = "symKey" in data.toString()
         return isWalletConnectLink && isPairing