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/ext/string_/capitalize.js

@@ -0,0 +1,9 @@
+"use strict";
+
+var ensureString = require("type/string/ensure");
+
+module.exports = function () {
+	var input = ensureString(this);
+	if (!input) return input;
+	return input.charAt(0).toUpperCase() + input.slice(1);
+};