docs: add Indent to showcase

[fouad]

Adding indent.com/developers + /docs to the showcase

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[netlify]

✔️ [V2]
Built without sensitive environment variables

🔨 Explore the source changes: 5a3a479

🔍 Inspect the deploy log: https://app.netlify.com/sites/docusaurus-2/deploys/6126ac0d9c1ba30008328749

😎 Browse the preview: https://deploy-preview-5421--docusaurus-2.netlify.app

[github-actions]

⚡️ Lighthouse report for the changes in this PR:

Category	Score
🟢 Performance	98
🟢 Accessibility	98
🟢 Best practices	100
🟢 SEO	100
🟢 PWA	95

Lighthouse ran on https://deploy-preview-5421--docusaurus-2.netlify.app/

[slorber]

Thanks 👍 looks great