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/@n8n_io/riot-tmpl/index.d.ts

@@ -0,0 +1,20 @@
+declare module "@n8n_io/riot-tmpl" {
+  interface BracketSettings {
+    brackets: string;
+  }
+
+  interface Brackets {
+    set(token: string): void;
+    settings: BracketSettings;
+  }
+
+  type ReturnValue = string | null | (() => unknown);
+  interface Tmpl {
+    errorHandler?(error: Error): void;
+    getStr(expr: string): string;
+    (value: string, data: unknown): ReturnValue;
+  }
+
+  let brackets: Brackets;
+  let tmpl: Tmpl;
+}