[docs]: add CURL commands to some how-tos (#1325)

docs/docs/cloud/how-tos/stream_multiple.md

@@ -9,7 +9,7 @@ First let's set up our client and thread:
     ```python
     from langgraph_sdk import get_client
 
-    client = get_client(url="whatever-your-deployment-url-is")
+    client = get_client(url="<DEPLOYMENT_URL>")
     # create thread
     thread = await client.threads.create()
     print(thread)
@@ -20,19 +20,31 @@ First let's set up our client and thread:
     ```js
     import { Client } from "@langchain/langgraph-sdk";
 
-    const client = new Client({ apiUrl:"whatever-your-deployment-url-is" });
+    const client = new Client({ apiUrl:"<DEPLOYMENT_URL>" });
     // create thread
     const thread = await client.threads.create();
     console.log(thread)
     ```
 
+=== "CURL"
+
+    ```bash
+    curl --request POST \
+      --url <DEPLOYMENT_URL>/threads \
+      --header 'Content-Type: application/json' \
+      --data '{
+        "metadata": {}
+      }'
+    ```
 
 Output:
 
     {'thread_id': 'bfc68029-1f7b-400f-beab-6f9032a52da4',
      'created_at': '2024-06-24T21:30:07.980789+00:00',
      'updated_at': '2024-06-24T21:30:07.980789+00:00',
-     'metadata': {}}
+     'metadata': {},
+     'status': 'idle',
+     'config': {}}
 
 When configuring multiple streaming modes for a run, responses for each respective mode will be produced. In the following example, note that a `list` of modes (`messages`, `events`, `debug`) is passed to the `stream_mode` parameter and the response contains `events`, `debug`, `messages/complete`, `messages/metadata`, and `messages/partial` event types.
 
@@ -90,6 +102,43 @@ When configuring multiple streaming modes for a run, responses for each respecti
     }
     ```
 
+=== "CURL"
+
+    ```bash
+    curl --request POST \
+     --url <DEPLOYMENT_URL>/threads/<THREAD_ID>/runs/stream \
+     --header 'Content-Type: application/json' \
+     --data "{
+       \"assistant_id\": \"agent\",
+       \"input\": {\"messages\": [{\"role\": \"human\", \"content\": \"What's the weather in SF?\"}]},
+       \"stream_mode\": [
+         \"messages\",
+         \"events\",
+         \"debug\"
+       ]
+     }" | \
+     sed 's/\r$//' | \
+     awk '
+     /^event:/ {
+         if (data_content != "") {
+             print data_content "\n"
+         }
+         sub(/^event: /, "Receiving event of type: ", $0)
+         printf "%s...\n", $0
+         data_content = ""
+     }
+     /^data:/ {
+         sub(/^data: /, "", $0)
+         data_content = $0
+     }
+     END {
+         if (data_content != "") {
+             print data_content "\n"
+         }
+     }
+     '
+    ```
+
 Output:
 
     Receiving new event of type: metadata...