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/object/is-integer.js

@@ -0,0 +1,10 @@
+"use strict";
+
+var isInteger = require("../number/is-integer")
+  , isValue   = require("./is-value");
+
+module.exports = function (arg) {
+	if (!isValue(arg)) return false;
+	arg = Number(arg);
+	return isInteger(arg);
+};