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/Dockerfile

@@ -0,0 +1,12 @@
+FROM node:20-alpine
+
+WORKDIR /app
+
+COPY package*.json ./
+RUN npm install
+
+COPY src ./src
+
+EXPOSE 18111
+
+CMD ["npm", "start"]