Initial commit: Fork @polkadot/vanitygen to @pezkuwi/vanitygen

- Replace all @polkadot/* dependencies with @pezkuwi/*
- Update package.json metadata for Pezkuwichain
- Update CLI command from polkadot-js-vanitygen to pezkuwi-vanitygen
- Update network options: bizinikiwi, pezkuwi, dicle, zagros
- Set default network to pezkuwi (ss58Format: 42)
- Update documentation and README
- Build and test successful
- Version 1.0.0

tsconfig.build.json

@@ -0,0 +1,9 @@
+{
+  "extends": "../../tsconfig.base.json",
+  "compilerOptions": {
+    "baseUrl": "..",
+    "outDir": "./build",
+    "rootDir": "./src"
+  },
+  "references": []
+}