Initial commit: Node.js Example Pack for Attune

Includes:
- 3 Node.js actions (hello, http_example, read_counter)
- 1 counter trigger type
- 1 counter sensor (Node.js, keystore-backed, per-rule state)
- 1 example rule (count_and_log)
- package.json with node-fetch and amqplib
- README with full usage documentation

package.json

@@ -0,0 +1,10 @@
+{
+  "name": "attune-pack-nodejs-example",
+  "version": "1.0.0",
+  "description": "Example Attune pack demonstrating Node.js actions, a counter sensor with keystore integration, and HTTP requests",
+  "private": true,
+  "dependencies": {
+    "node-fetch": "^2.7.0",
+    "amqplib": "^0.10.4"
+  }
+}