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/math/imul/shim.js

@@ -0,0 +1,17 @@
+/* eslint no-bitwise: "off" */
+
+// Thanks: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference
+//         /Global_Objects/Math/imul
+
+"use strict";
+
+module.exports = function (val1, val2) {
+	var xh = (val1 >>> 16) & 0xffff
+	  , xl = val1 & 0xffff
+	  , yh = (val2 >>> 16) & 0xffff
+	  , yl = val2 & 0xffff;
+
+	// The shift by 0 fixes the sign on the high part
+	// the final |0 converts the unsigned value into a signed value
+	return (xl * yl + (((xh * yl + xl * yh) << 16) >>> 0)) | 0;
+};