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/flatten.js

@@ -0,0 +1,16 @@
+"use strict";
+
+var isPlainObject = require("./is-plain-object")
+  , forEach       = require("./for-each")
+  , process;
+
+process = function self(value, key) {
+	if (isPlainObject(value)) forEach(value, self, this);
+	else this[key] = value;
+};
+
+module.exports = function (obj) {
+	var flattened = {};
+	forEach(obj, process, flattened);
+	return flattened;
+};