docs[DST-519]: Clean up Marigold Docs/ Improve Nav

[sarahgm]

Description

What I did:

• deleted old files (scripts, about , release)
• updated some faqs
• improved the navigation structure
• added overview pages
• improved folder structure in code (a bit)
• adjust some links
• fix typescript error in navigation.tsx
• update links in other pages on the docs

What should be tested?

• the documentation,
• the links working correctly,
• the look of the navigation,
• are the new categories suiteable for the content?
• have a look on the overview pages

Possible Reviewers:

@marigold-ui/developer
@marigold-ui/designer
@KadaStrophe

[vercel]

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Name	Status	Preview	Comments	Updated (UTC)
marigold-docs	✅ Ready (Inspect)	Visit Preview	✅ 8 resolved	Sep 20, 2024 8:42am
marigold-storybook	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Sep 20, 2024 8:42am

1 Skipped Deployment

Name	Status	Preview	Comments	Updated (UTC)
marigold-production	⬜️ Ignored (Inspect)	Visit Preview	💬 Add feedback	Sep 20, 2024 8:42am

[changeset-bot]

🦋 Changeset detected

Latest commit: a8cdd97

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 9 packages

Name	Type
@marigold/docs	Patch
@marigold/system	Patch
@marigold/components	Patch
@marigold/icons	Patch
@marigold/theme-preset	Patch
@marigold/theme-b2b	Patch
@marigold/theme-core	Patch
@marigold/theme-docs	Patch
@marigold/storybook-config	Patch

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

[github-actions]

Coverage report

St.❔	Category	Percentage	Covered / Total
🟢	Statements	99.62% (-0.01% 🔻)	7807/7837
🟢	Branches	89.43% (-1.34% 🔻)	347/388
🟢	Functions	98.44%	126/128
🟢	Lines	99.62% (-0.01% 🔻)	7807/7837

Show files with reduced coverage 🔻

St.❔	File	Statements	Branches	Functions	Lines
🟢	... / Calendar.tsx	98.99% (-1.01% 🔻)	50% (-50% 🔻)	100%	98.99% (-1.01% 🔻)
🟢	... / Checkbox.tsx	98.33%	66.67% (-23.33% 🔻)	100%	98.33%
🟢	... / Headline.tsx	100%	50% (-50% 🔻)	100%	100%
🟢	system/src/utils.ts	100%	87.5% (-6.94% 🔻)	100%	100%

Test suite run success

569 tests passing in 78 suites.

Report generated by 🧪jest coverage report action from a8cdd97

[KadaStrophe]

<3