feat(docker): add mermaid diagram for openadkit containers

[oguzkaganozt]

Description

Add mermaid diagram for docker containers

Tests performed

Here is the mermaid diagram output on Readme: https://github.com/autowarefoundation/autoware/tree/add-mermaid-diagram-openadkit/docker

Effects on system behavior

Not applicable.

Interface changes

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[youtalk]

I automatically export the Dockerfile.svg from Dockerfile by https://github.com/patrickhoefler/dockerfilegraph.
I don't want to do the double maintenance between the Dockerfile and the mermaid file.

[oguzkaganozt]

I automatically export the Dockerfile.svg from Dockerfile by https://github.com/patrickhoefler/dockerfilegraph. I don't want to do the double maintenance between the Dockerfile and the mermaid file.

That's even better, thanks for the heads up