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/array/#/find-index/shim.js

@@ -0,0 +1,26 @@
+"use strict";
+
+var callable    = require("../../../object/valid-callable")
+  , ensureValue = require("../../../object/valid-value")
+  , some        = Array.prototype.some
+  , apply       = Function.prototype.apply;
+
+module.exports = function (predicate /*, thisArg*/) {
+	var k, self;
+	self = Object(ensureValue(this));
+	callable(predicate);
+
+	return some.call(
+		self,
+		function (value, index) {
+			if (apply.call(predicate, this, arguments)) {
+				k = index;
+				return true;
+			}
+			return false;
+		},
+		arguments[1]
+	)
+		? k
+		: -1;
+};