core: build protocol documentation embedded viewer

[EmeditWeb]

Problem

The web app links out to docs.page for documentation.
Sponsors and vendors leaving the app breaks the experience.

What To Build

Build /docs page with:

1. Sidebar navigation
2. Markdown content rendering
3. Contract addresses section
4. Quick links bar
5. Client-side search

Files To Touch

• src/pages/Docs.tsx (new)
• src/docs/ (markdown files)
• src/components/docs/DocSidebar.tsx
• src/components/docs/DocContent.tsx
• src/router/index.tsx

Acceptance Criteria

• All major doc sections available in-app
• Syntax highlighting on code blocks
• Contract addresses copyable
• Search works across all content
• npm run build passes

Mandatory Checks Before PR

• npm run build passes
• No any types
• PR references this issue

[Iwayemi-Kehinde]

I would like to work on this issue as I have reviewed the scope, I should have a PR Ready in 50 minutes.