docs: Revamp Enterprise section and add Customer Stories page

[peetuhr]

Description

Comprehensive revamp of the "Open WebUI for Enterprise" documentation. The goal was to communicate OWUI values for decision makers, and create a scalable structure for future partners and case studies.

Changes

• Refactored Index: Updated index.mdx to focus on Enterprise value props.
• New Architecture Page: Added architecture.md detailing scalability and HA.
• New Security Page: Added security.md covering compliance (SOC2/HIPAA) and IAM.
• New Support Page: Added support.md to clearly define paid support tiers vs. community help.
• New Customization Page: Added customization.md to explain white-labeling and extension boundaries.
• Partners Page: Created partners.md to funnel Agencies/Resellers away from direct sales pipelines.
• Customer Stories: Converted the customers folder to use an index.mdx landing page, featuring the Samsung case study and a call-to-action for new stories.
• Cleanup: Deleted the deprecated _category_.json in the customers folder to support the new index page.

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[tjbck]

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[peetuhr]

Feedback Addressed

Summary of changes:

index.mdx

• Moved primary CTA ("Let's Talk") above "Why Enterprises Choose Open WebUI"
• Added "Use Your Work Email" tip with seat count request
• Added closing CTA ("Ready to Get Started?") at bottom (no qualifier)
• Removed duplicate lines

architecture.md

• Updated CTA section: "Planning Your Deployment"
• Added "Use Your Work Email" tip requesting deployment environment + end user count

security.md

• Updated CTA section: "Discuss Your Security Requirements"
• Added "Use Your Work Email" tip requesting compliance requirements + end user count

customization.md

• Added "Use Your Work Email" qualifier inside the Enterprise License Required info box

support.md

• Replaced "Email Support" with "Dedicated Support Channels" and reference to Kapa.ai "Support Bot"
• Removed "Additional Enterprise Services" table
• Added "Consulting Topics" section framing these as guidance, not deliverables
• Renamed "Getting Started" → "Find the Right Support Plan"
• Added "Use Your Work Email" tip requesting team size + support priorities
• Added softening disclaimer

partners.md

• Added "Policy on Contribution & Collaboration" warning block
• Fixed typo (removed artifact [2])

General

• Consistent CTA format across all pages with page-specific language
• "Use Your Work Email" qualifier added to all CTAs (except final closing CTA on index)
• Adopted proper Markdown tooling for consistent formatting and syntax validation
• Fixed minor formatting inconsistencies throughout

Ready for review! 🚀