Add beam js examples

.gitignore

@@ -5,3 +5,4 @@ __downloads__
 .venv/
 .vscode/launch.json
 .secrets
+node_modules/

javascript/express/README.md

@@ -0,0 +1,4 @@
+Make sure you have BEAM_TOKEN set in your .env
+`yarn start` to run server
+
+To make a request to the example endpoint, run `curl http://localhost:3333`

javascript/express/index.js

@@ -0,0 +1,17 @@
+const express = require("express");
+const beam = require("@beamcloud/beam-js");
+const app = express();
+const port = 3333;
+
+app.get("/deployment", async (req, res) => {
+  const client = await beam.init(process.env.BEAM_TOKEN);
+
+  const dep = await client.deployments.list();
+
+  const callResp = await dep[0].call();
+  res.send(callResp.data);
+});
+
+app.listen(port, () => {
+  console.log(`Example app listening on port ${port}`);
+});

javascript/express/package.json

@@ -0,0 +1,17 @@
+{
+  "name": "beam-express-server",
+  "version": "1.0.0",
+  "main": "index.js",
+  "license": "MIT",
+  "scripts": {
+    "start": "node index.js"
+  },
+  "dependencies": {
+    "@beamcloud/beam-js": "0.0.19",
+    "express": "^4.21.1",
+    "openai": "^4.69.0"
+  },
+  "devDependencies": {
+    "@types/node": "^22.8.4"
+  }
+}