Add EW AI Integration documentation

[yashovardhan]

Adds the docs related to EW MCP Server and Skills. Also has fixes related to CSS issues of codeblocks. This fetches the Skill file dynamically from the repository.

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Note

Medium Risk
Mostly documentation and styling, but it changes the virtual-files Docusaurus plugin to expose selected remote content via global data, which could affect build/runtime behavior and page payload if misconfigured.

Overview
Adds a new Embedded Wallets build-with-ai.mdx page describing how to use AI assistants with the Embedded Wallets Skill + MCP server, and links it into ew-sidebar.js.

Introduces SkillContent which renders the SKILL.md fetched by docusaurus-plugin-virtual-files; the plugin is extended with a globalDataKeys allowlist and setGlobalData support, and qs-file-links.json gains the new EW_AI_SKILL_MD mapping (wired in docusaurus.config.js).

Updates codeblock/tab styling to rely on stable [class*='…'] selectors (and tweaks Tabs card styling), and adds remark-gfm to dependencies.

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Project	Deployment	Actions	Updated (UTC)
metamask-docs	Ready	Preview, Comment	Mar 20, 2026 8:35am

[cursor]

Cursor Bugbot has reviewed your changes and found 2 potential issues.

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[bgravenorst]

Some feedback attached

[bgravenorst]

Our tab styling is not really suitable for adding content. It's best for code examples. Content is a bit hard to follow in the tab.
Also, the npm2yarn formatting is off (and we're essentially nesting tabs).
Noticed a bug where the "Copy button" doesn't display the tabbed content (we have a new implementation of this as a seperate PR, which may fix this)
Could we have this as seperate topics?

[yashovardhan]

I have separated them out as requested

[alexandratran]

I separated out the tabbed sections into subheadings as @bgravenorst suggested, + minor edits. LGTM.

[bgravenorst]

lgtm