add plugin topic link to README.md
Point people to the octant-plugin topic for easier finding of plugins.
@@ -131,6 +131,8 @@ Plugins are a core part of Octant in the Kubernetes ecosystem. A plugin can read
An example plugin can be found in [`cmd/octant-sample-plugin`](cmd/octant-sample-plugin) and installed to the default plugin path with `go run build.go install-test-plugin`.
+Some plugins can be found on GitHub in the [`#octant-plugin`](https://github.com/topics/octant-plugin) topic (tag).
+
Documentation for plugin components can be found in the [Plugins section](https://octant.dev/docs/master/plugins/) of the documentation.
## Discussion
