feat: self-hosting sidebar restructuring

[jnikhila]

Description

Provide a concise summary of the changes made in this pull request

Restructuring of the Self-Hosting Sidebar

• New Parent Category:
  • Self-Hosting added as a standalone parent category (moved out of Getting Started).
• Subcategories under Self-Hosting:
  • New Installation Guides
  • Manage Installation
  • Upgrade Installation Guides
  • Concepts

Documentation Overhaul

• Rewrote all documentation to align with:

  • Diataxis Framework for clear organization and user focus.
  • Google Developer Documentation Style Guide for consistency and readability.
  • Updated content for accuracy and usability.

• Archived outdated migration guides by moving them to the community portal and implemented redirects to ensure users can still access them if needed.

• Updated all cross-references to reflect the new structure.

• Modified the card design across docs

User tests

1. https://app.usertesting.com/workspaces/2411288/study/5397388/sessions

Pull request type

Check the appropriate box:

• Review Fixes
• Documentation Overhaul
• Feature/Story
  • Link one or more Engineering Tickets
    *
• A-Force
• Error in documentation
• Maintenance

Documentation tickets

Link to one or more documentation tickets:

• [Docs]: Self-Hosting - Doc Update #2509 (Project)

Checklist

From the below options, select the ones that are applicable:

• Checked for Grammarly suggestions.
• Adhered to the writing checklist.
• Adhered to the media checklist.
• Verified and updated cross-references or added redirect rules.
• Tested the redirect rules on deploy preview.
• Validated the modifications made to the content on the deploy preview.
• Validated the CSS modifications on different screen sizes.

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Name	Status	Preview	Comments	Updated (UTC)
appsmith-docs	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Dec 31, 2024 8:55am