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/invert-kv/index.js

@@ -0,0 +1,15 @@
+'use strict';
+module.exports = function (obj) {
+	if (typeof obj !== 'object') {
+		throw new TypeError('Expected an object');
+	}
+
+	var ret = {};
+
+	for (var key in obj) {
+		var val = obj[key];
+		ret[val] = key;
+	}
+
+	return ret;
+};