🚀 announcements: better support for images

[kurtaking]

Plugin Name

announcements

🔖 Feature description

Copied from procore-oss/backstage-plugin-announcements#268.

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I would love to see some additional support around images. Currently it seems that you can link to an existing image, but I would love to see the ability to copy/paste an image into an announcement and have the plugin save/serve it.

🎤 Context

My backstage implementation also uses the qeta plugin which supports this feature: https://github.com/drodil/backstage-plugin-qeta.

✌️ Possible Implementation

I would probably start by seeing if this solution could be reused or easily ported: https://github.com/drodil/backstage-plugin-qeta/blob/40560c1dbbf3258cc867bd67b07cb1daf0a0a7ab/plugins/qeta/src/components/MarkdownEditor/MarkdownEditor.tsx#L32

👀 Have you spent some time to check if this feature request has been raised before?

• I checked and didn't find similar issue

🏢 Have you read the Code of Conduct?

• I have read the Code of Conduct

Are you willing to submit PR?

No, I don't have time to work on this right now