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

.gitignore

@@ -0,0 +1,31 @@
+# Dependencies
+node_modules/
+
+# Build output
+dist/
+build/
+*.js
+*.js.map
+*.d.ts
+!runcli.mjs
+
+# Logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Editor
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Misc
+.env
+.env.local