docs: fix 2 agent broken Links (#1082)

* docs: fix 2 agent broken Links

Fix 2 links

* Update content/agent/installation-upgrade/getting-started.md

Co-authored-by: Donal Hurley <[email protected]>

---------

Co-authored-by: Donal Hurley <[email protected]>

Author: JTorreG

content/agent/installation-upgrade/getting-started.md

@@ -71,7 +71,7 @@ tls:
   skip_verify: true
 ```
 
-For more information, see [Agent Protocol Definitions and Documentation](https://github.com/nginx/agent/tree/main/docs/proto/README.md).
+For more information, see [Agent Protocol Definitions and Documentation](https://github.com/nginx/agent/blob/dev-v2/docs/proto/README.md).
 
 ### Enable the REST interface
 
@@ -152,7 +152,7 @@ Open a web browser to view the mock control plane at [http://localhost:54790](ht
 - **configs/raw** - shows the actual configuration as it would live on the data plane
 - **metrics** - shows a buffer of metrics sent to the management plane (similar to what will be sent back in the REST API)
 
-For more NGINX Agent use cases, refer to the [NGINX Agent SDK examples](https://github.com/nginx/agent/tree/main/sdk/examples).
+For more NGINX Agent use cases, refer to the [NGINX Agent SDK examples](https://github.com/nginx/agent/tree/dev-v2/sdk/examples).
 
 ## Start and Enable Start on Boot