add examples of streaming in python and node

Signed-off-by: Matt Williams <m@technovangelist.com>

docs/api.md

@@ -20,6 +20,10 @@ Model names follow a `model:tag` format. Some examples are `orca-mini:3b-q4_1` a
 
 All durations are returned in nanoseconds.
 
+### Streams
+
+Many API responses are streams of JSON objects showing the current status. For examples of working with streams in various languages, see [streaming.md](./streaming.md)
+
 ## Generate a completion
 
 ```

docs/streaming.md

@@ -0,0 +1,35 @@
+# Streaming responses in the Ollama Client API
+
+## JavaScript / TypeScript / Deno
+
+```javascript
+const pull = async () => {
+  const request = await fetch("http://localhost:11434/api/pull", {
+    method: "POST",
+    body: JSON.stringify({ name: "llama2:7b-q5_0" }),
+  });
+
+  const reader = await request.body?.pipeThrough(new TextDecoderStream());
+  if (!reader) throw new Error("No reader");
+  for await (const chunk of reader) {
+    const out = JSON.parse(chunk);
+    if (out.status.startsWith("downloading")) {
+      console.log(`${out.status} - ${(out.completed / out.total) * 100}%`);
+    }
+  }
+}
+
+pull();
+```
+
+## Python
+
+```python
+import requests
+import json
+response = requests.post("http://localhost:11434/api/pull", json={"name": "llama2:7b-q5_0"}, stream=True)
+for data in response.iter_lines():
+  out = json.loads(data)
+  if "completed" in out:
+    print(out["completed"] / out["total"] * 100)
+```