docs(examples): hello-world-without-sdk (#96)

closes #95

Co-authored-by: francisfuzz <15894826+francisfuzz@users.noreply.github.com>

Author: gr2m

examples/hello-world-without-sdk/index.js

@@ -0,0 +1,26 @@
+import { createServer } from "node:http";
+
+const server = createServer((request, response) => {
+  if (request.method === "GET") {
+    return response.end("ok");
+  }
+
+  const textObject = {
+    choices: [
+      { index: 0, delta: { content: "Hello, world!", role: "assistant" } },
+    ],
+  };
+
+  const endObject = {
+    choices: [{ index: 0, finish_reason: "stop", delta: { content: null } }],
+  };
+
+  // note the "\n\n"s, they are significant.
+  response.write(`data: ${JSON.stringify(textObject)}\n\n`);
+  response.end(`data: ${JSON.stringify(endObject)}\n\ndata: [DONE]\n\n`);
+});
+
+const PORT = process.env.PORT || 3000;
+server.listen(PORT, () => {
+  console.log(`Server is running on port ${PORT}`);
+});

examples/hello-world-without-sdk/package.json

@@ -0,0 +1,11 @@
+{
+  "private": true,
+  "type": "module",
+  "scripts": {
+    "start": "node index.js",
+    "watch": "node --watch index.js"
+  },
+  "dependencies": {
+    "@copilot-extensions/preview-sdk": "../../"
+  }
+}