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-plain-function.js

@@ -0,0 +1,11 @@
+"use strict";
+
+var isClassStr = RegExp.prototype.test.bind(/^\s*class[\s{/}]/)
+  , fnToString = Function.prototype.toString;
+
+module.exports = function (fn) {
+	if (typeof fn !== "function") return false;
+	if (typeof fn.call !== "function") return false;
+	if (typeof fn.apply !== "function") return false;
+	return !isClassStr(fnToString.call(fn));
+};