docs: improve the contributor experience of CONTRIBUTING.md (#5507)

Signed-off-by: Dan Gil <dagil@nvidia.com>

.github/ISSUE_TEMPLATE/config.yml

@@ -4,5 +4,5 @@ contact_links:
     url: https://www.nvidia.com/en-us/ai/dynamo/
     about: Refer to the Dynamo documentation to help you get started.
   - name: Dynamo Community Support
-    url: https://discord.gg/dynamo
+    url: https://discord.gg/nvidia-dynamo
     about: Refer to the Dynamo Discord server for community support.

README.md

@@ -363,6 +363,23 @@ Set the environment variable `DYN_LOG` to adjust the logging level; for example,
 
 If you use vscode or cursor, we have a .devcontainer folder built on [Microsofts Extension](https://code.visualstudio.com/docs/devcontainers/containers). For instructions see the [ReadMe](.devcontainer/README.md) for more details.
 
+# Contributing
+
+We welcome contributions! Whether it's bug reports, documentation improvements, or code contributions—every bit helps.
+
+- **[Contributing Guide](CONTRIBUTING.md)** – How to get started
+- **[Report a Bug](https://github.com/ai-dynamo/dynamo/issues/new?template=bug_report.yml)** – Found an issue?
+- **[Feature Request](https://github.com/ai-dynamo/dynamo/issues/new?template=feature_request.yml)** – Have an idea?
+
+# Community
+
+Dynamo thrives on community contributions.
+
+![External Contributors](https://img.shields.io/badge/community_contributors-70%2B-brightgreen)
+![Community PRs](https://img.shields.io/badge/PRs_merged-130%2B-blue)
+
+See our [contributor graph](https://github.com/ai-dynamo/dynamo/graphs/contributors) for the full picture.
+
 <!-- Reference links for Feature Compatibility Matrix -->
 [disagg]: docs/design_docs/disagg_serving.md
 [kv-routing]: docs/router/kv_cache_routing.md