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/es5-ext/date/#/days-in-month.js

@@ -0,0 +1,17 @@
+"use strict";
+
+var getMonth = Date.prototype.getMonth;
+
+module.exports = function () {
+	switch (getMonth.call(this)) {
+		case 1:
+			return this.getFullYear() % 4 ? 28 : 29;
+		case 3:
+		case 5:
+		case 8:
+		case 10:
+			return 30;
+		default:
+			return 31;
+	}
+};