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/liftoff/lib/file_search.js

@@ -0,0 +1,14 @@
+var findup = require('findup-sync');
+
+module.exports = function(search, paths) {
+  var path;
+  var len = paths.length;
+  for (var i = 0; i < len; i++) {
+    if (path) {
+      break;
+    } else {
+      path = findup(search, { cwd: paths[i], nocase: true });
+    }
+  }
+  return path;
+};