chore(docker): update README.md and Dockerfile.svg (#5696)

* update svg

Signed-off-by: Yutaka Kondo <yutaka.kondo@youtalk.jp>

* update readme

Signed-off-by: Yutaka Kondo <yutaka.kondo@youtalk.jp>

* update sentence

Signed-off-by: Yutaka Kondo <yutaka.kondo@youtalk.jp>

* fix base

Signed-off-by: Yutaka Kondo <yutaka.kondo@youtalk.jp>

* style(pre-commit): autofix

* pre-commit svg fix: simplify text field

Signed-off-by: M. Fatih Cırıt <mfc@autoware.org>

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Signed-off-by: Yutaka Kondo <yutaka.kondo@youtalk.jp>
Signed-off-by: M. Fatih Cırıt <mfc@autoware.org>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: M. Fatih Cırıt <mfc@autoware.org>

Author: 3 people