Fix/cli docs overview fix

[VitorAEltz]

Here's a PR description for the Azion CLI documentation improvements:

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PR: Improve Azion CLI Overview Documentation

Summary

Refactored the Azion CLI overview documentation (EN and PT-BR) to align with competitor best practices and improve scannability.

Changes

Issues Fixed

• Removed private video - YouTube iframe removed from EN version (was already removed from PT-BR)
• Consolidated bullet list - Reduced from 9 items to 4 focused capabilities (cognitive load best practice: 3-5 items)
• Added remote install script - Modern one-liner installation as recommended method: curl -fsSL https://cli.azion.app/install.sh | bash
• Added Quick Start section - Clear 4-command workflow (install → login → init → deploy)
• Simplified Web Frameworks section - Replaced long list with concise description + links to existing comprehensive pages

Files Modified

• src/content/docs/en/pages/devtools/cli/azion-cli/azion-overview/azion-overview.mdx
• src/content/docs/pt-br/pages/devtools/cli/azion-cli/azion-overview/azion-overview.mdx

Before vs After

Aspect	Before	After
Intro bullets	9 items	4 items
Quick Start	❌ None	✅ 4-command workflow
Install method	Manual download first	One-liner curl script
Web Frameworks	14+ bullet points	2 sentences + links
Video embed (EN)	Private/broken	Removed

Competitor Analysis

Changes align with patterns from Cloudflare Wrangler, Vercel CLI, Fastly CLI, and Supabase CLI documentation.

Testing

• Verify remote install script works: curl -fsSL https://cli.azion.app/install.sh | bash
• Verify EN page renders correctly
• Verify PT-BR page renders correctly
• Verify framework links resolve correctly

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