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/docs/string_/capitalize.md

@@ -0,0 +1,9 @@
+# `string.capitalize()` _(ext/string\_/capitalize)_
+
+Capitalize input string, e.g. convert `this is a test` into `This is a test`.
+
+```javascript
+const capitalize = require("ext/string_/capitalize");
+
+capitalize.call("this is a test"); // This is a test
+```