Add service dependencies and entry points

packages/embedding-service/src/index.js

@@ -0,0 +1,17 @@
+require ('dotenv').config();
+const express = require('express');
+const {getEnv} = require('@nexusai/shared');
+
+const app = express();
+app.use(express.json());
+
+const PORT = getEnv('PORT', '3003');  // Default to 3003 if PORT is not set
+
+// Health check endpoint
+app.get('/health', (req,res) => {
+    res.json({ service: 'Embedding Service', status: 'healthy' });
+})
+
+app.listen(PORT, () => {
+    console.log(`Embedding Service listening on port ${PORT}`);
+});