Initial commit: n8n Strike API node

- Add Strike API credentials configuration
- Implement Strike node with 9 resources (Account, Balance, Currency Exchange, Deposit, Invoice, Payment, Payment Method, Payout, Rates)
- Add comprehensive operation descriptions for all resources
- Include CLAUDE.MD documentation
- Set up build configuration with TypeScript, ESLint, and Prettier

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

gulpfile.js

@@ -0,0 +1,7 @@
+const { src, dest } = require('gulp');
+
+function buildIcons() {
+	return src('nodes/**/*.svg').pipe(dest('dist/nodes'));
+}
+
+exports['build:icons'] = buildIcons;