[WIP] Add Docker file icon

[Tom-Boscher]

Add Docker file icon. Source: https://www.docker.com/company/newsroom/media-resources/

Release Notes:

• N/A

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[Tom-Boscher]

@cla-bot check

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The cla-bot has been summoned, and re-checked this pull request!

[Tom-Boscher]

Currently, only .dockerignore is recognized as a Docker file. I need to add logic based on name of the file in addition to the logic based on the suffixe.

[Hugoonreplit]

Hey @Tom-Boscher, I think most Zed file icons sizes are along the lines of 14x14 and 14x15, so maybe a good idea would be resizing the .svg file to any of those sizes, preferably 14x14!

[Tom-Boscher]

Hey @Tom-Boscher, I think most Zed file icons sizes are along the lines of 14x14 and 14x15, so maybe a good idea would be resizing the .svg file to any of those sizes, preferably 14x14!

Indeed, I fixed that

[Tom-Boscher]

[maxdeviant]

Thanks for opening this PR, @Tom-Boscher.

It looks like icons for Dockerfiles were added already in #8453.