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/union-value/index.js

@@ -0,0 +1,30 @@
+'use strict';
+
+var isObject = require('is-extendable');
+var union = require('arr-union');
+var get = require('get-value');
+var set = require('set-value');
+
+module.exports = function unionValue(obj, prop, value) {
+  if (!isObject(obj)) {
+    throw new TypeError('union-value expects the first argument to be an object.');
+  }
+
+  if (typeof prop !== 'string') {
+    throw new TypeError('union-value expects `prop` to be a string.');
+  }
+
+  var arr = arrayify(get(obj, prop));
+  set(obj, prop, union(arr, arrayify(value)));
+  return obj;
+};
+
+function arrayify(val) {
+  if (val === null || typeof val === 'undefined') {
+    return [];
+  }
+  if (Array.isArray(val)) {
+    return val;
+  }
+  return [val];
+}