The plugin icon can be added when publishing the plugin to the Community.
Relevant article from help center:
https://help.figma.com/hc/en-us/articles/360042293394-Publish-plugins-to-the-Figma-Community#Submit_your_plugin
The plugin icon can be added when publishing the plugin to the Community.
Relevant article from help center:
https://help.figma.com/hc/en-us/articles/360042293394-Publish-plugins-to-the-Figma-Community#Submit_your_plugin