docs(v2): Add AI-Speaker site to showcase page

[asystentka-jolka]

Motivation

The documentation of AI-Speaker is using Docusaurus v2. It could be cool to add it in the showcase page.

Have you read the Contributing Guidelines on pull requests?

Yes

Test Plan

Run yarn run start:v2 and check that the page http://localhost:3000/showcase is rendered properly.

Related PRs

No

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[netlify]

✔️ Deploy preview for docusaurus-2 ready!

🔨 Explore the source changes: b5e4079

🔍 Inspect the deploy logs: https://app.netlify.com/sites/docusaurus-2/deploys/5fec9cc80cde110007dcc494

😎 Browse the preview: https://deploy-preview-3976--docusaurus-2.netlify.app

[github-actions]

⚡️ Lighthouse report for the changes in this PR:

Category	Score
🟠 Performance	82
🟢 Accessibility	99
🟢 Best practices	100
🟢 SEO	100
🟢 PWA	95

Lighthouse ran on https://deploy-preview-3976--docusaurus-2.netlify.app/classic/

[github-actions]

Size Change: +12 B (0%)

Total Size: 155 kB

ℹ️ View Unchanged

Filename	Size	Change
website/build/blog/2017/12/14/introducing-docusaurus/index.html	20.7 kB	+2 B (0%)
website/build/docs/introduction/index.html	180 B	0 B
website/build/index.html	5.82 kB	+2 B (0%)
website/build/main.********.js	111 kB	+8 B (0%)
website/build/styles.********.css	17.6 kB	0 B

_{compressed-size-action}

[facebook-github-bot]

Thank you for signing our Contributor License Agreement. We can now accept your code for this (and any) Facebook open source project. Thanks!

[slorber]

thanks, LGTM 👍

The CI issue is just due to prettier formatting, will fix this