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/stream-shift/index.js

@@ -0,0 +1,21 @@
+module.exports = shift
+
+function shift (stream) {
+  var rs = stream._readableState
+  if (!rs) return null
+  return (rs.objectMode || typeof stream._duplexState === 'number') ? stream.read() : stream.read(getStateLength(rs))
+}
+
+function getStateLength (state) {
+  if (state.buffer.length) {
+    var idx = state.bufferIndex || 0
+    // Since node 6.3.0 state.buffer is a BufferList not an array
+    if (state.buffer.head) {
+      return state.buffer.head.data.length
+    } else if (state.buffer.length - idx > 0 && state.buffer[idx]) {
+      return state.buffer[idx].length
+    }
+  }
+
+  return state.length
+}