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/Strike.node.d.ts

@@ -0,0 +1,5 @@
+import type { IExecuteFunctions, INodeExecutionData, INodeType, INodeTypeDescription } from 'n8n-workflow';
+export declare class Strike implements INodeType {
+    description: INodeTypeDescription;
+    execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]>;
+}