docs: update Autoware Concepts page and add details to goals section

[mitsudome-r]

Signed-off-by: mitsudome-r ryohsuke.mitsudome@tier4.jp

Description

#81

Add details to the "Goals" section in Autoware Concept page.

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[github-actions]

Documentation URL: https://autowarefoundation.github.io/autoware-documentation/pr-82/
Modified URLs:

• https://autowarefoundation.github.io/autoware-documentation/pr-82/design/autoware-concepts/

[stale]

This pull request has been automatically marked as stale because it has not had recent activity.

[stale]

This pull request has been automatically marked as stale because it has not had recent activity.