Add multi-opt count

[frzyc]

Describe your changes

Issue or discord link

• Resolves Show multi-opt count/info for each loadout #1694

Testing/validation

Checklist before requesting a review (leave this PR as draft if any part of this list is not done.)

• I have commented my code in hard-to understand areas.
• I have made corresponding changes to README or wiki.
• For front-end changes, I have updated the corresponding English translations.
• I have run yarn run mini-ci locally to validate format and lint.
• If I have added a new library or app, I have updated the deployment scripts to ignore changes as needed

[github-actions]

[frontend] [Wed Mar 13 18:12:47 UTC 2024] - Deployed e26caad to https://genshin-optimizer-prs.github.io/pr/1695/frontend (Takes 3-5 minutes after this completes to be available)

[frontend] [Wed Mar 13 18:15:08 UTC 2024] - Deployed 341aa75 to https://genshin-optimizer-prs.github.io/pr/1695/frontend (Takes 3-5 minutes after this completes to be available)

[frontend] [Wed Mar 13 18:32:32 UTC 2024] - Deployed ae53544 to https://genshin-optimizer-prs.github.io/pr/1695/frontend (Takes 3-5 minutes after this completes to be available)

[Wed Mar 13 18:52:20 UTC 2024] - Deleted deployment