Initial commit: Pezkuwi Wallet Android

Complete rebrand of Nova Wallet for Pezkuwichain ecosystem.

## Features
- Full Pezkuwichain support (HEZ & PEZ tokens)
- Polkadot ecosystem compatibility
- Staking, Governance, DeFi, NFTs
- XCM cross-chain transfers
- Hardware wallet support (Ledger, Polkadot Vault)
- WalletConnect v2
- Push notifications

## Languages
- English, Turkish, Kurmanci (Kurdish), Spanish, French, German, Russian, Japanese, Chinese, Korean, Portuguese, Vietnamese

Based on Nova Wallet by Novasama Technologies GmbH
© Dijital Kurdistan Tech Institute 2026

scripts/secrets.gradle

@@ -0,0 +1,36 @@
+Properties localProperties = new Properties()
+
+def localPropertiesFile = project.rootProject.file('local.properties')
+
+if (localPropertiesFile.exists()) {
+    localProperties.load(localPropertiesFile.newDataInputStream())
+}
+
+ext.readRawSecretOrNull = { secretName ->
+    def localPropSecret = localProperties.getProperty(secretName)
+
+    def secret = (localPropSecret != null) ? localPropSecret : System.getenv(secretName)
+
+    if (secret == null || secret.isEmpty()) return null
+
+    return secret
+}
+
+ext.readStringSecretOrNull = { secretName ->
+    def secret = readRawSecretOrNull(secretName)
+    if (secret == null) return null
+
+    return maybeWrapInQuotes(secret)
+}
+
+ext.readStringSecret = { secretName ->
+    return readStringSecretOrNull(secretName) ?: secretNotFound(secretName)
+}
+
+private static def secretNotFound(secretName) {
+    throw new NoSuchElementException("${secretName} secret is not found in local.properties or environment variables")
+}
+
+static def maybeWrapInQuotes(content) {
+    return content.startsWith("\"") ? content : "\"" + content + "\""
+}