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/posix-character-classes/index.js

@@ -0,0 +1,22 @@
+'use strict';
+
+/**
+ * POSIX character classes
+ */
+
+module.exports = {
+  alnum: 'a-zA-Z0-9',
+  alpha: 'a-zA-Z',
+  ascii: '\\x00-\\x7F',
+  blank: ' \\t',
+  cntrl: '\\x00-\\x1F\\x7F',
+  digit: '0-9',
+  graph: '\\x21-\\x7E',
+  lower: 'a-z',
+  print: '\\x20-\\x7E ',
+  punct: '\\-!"#$%&\'()\\*+,./:;<=>?@[\\]^_`{|}~',
+  space: ' \\t\\r\\n\\v\\f',
+  upper: 'A-Z',
+  word: 'A-Za-z0-9_',
+  xdigit: 'A-Fa-f0-9'
+};