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>

dist/nodes/Strike/descriptions/index.d.ts

@@ -0,0 +1,9 @@
+export * from './BalanceDescription';
+export * from './InvoiceDescription';
+export * from './PaymentDescription';
+export * from './DepositDescription';
+export * from './PayoutDescription';
+export * from './CurrencyExchangeDescription';
+export * from './RatesDescription';
+export * from './AccountDescription';
+export * from './PaymentMethodDescription';