feat(bacnet-collector): add initial implementation of BACnet collector with scanning and reading capabilities

- Created package.json for the bacnet-collector project with necessary dependencies.
- Implemented main server logic in src/index.js to handle BACnet device scanning and reading.
- Added raw discovery functionality in src/raw-discover.js to facilitate device detection over the network.
- Introduced utility functions for handling IP addresses, broadcasting, and BACnet packet construction.
- Implemented JSON response handling for health checks and capabilities endpoints.

bacnet-collector/package.json

@@ -0,0 +1,12 @@
+{
+  "name": "seltd-bacnet-collector",
+  "version": "1.0.0",
+  "private": true,
+  "type": "module",
+  "scripts": {
+    "start": "node src/index.js"
+  },
+  "dependencies": {
+    "bacstack": "^0.0.1-beta.14"
+  }
+}