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>

node_modules/set-function-length/index.d.ts

@@ -0,0 +1,7 @@
+declare namespace setFunctionLength {
+    type Func = (...args: unknown[]) => unknown;
+}
+
+declare function setFunctionLength<T extends setFunctionLength.Func = setFunctionLength.Func>(fn: T, length: number, loose?: boolean): T;
+
+export = setFunctionLength;