docs: add translations guide for AsyncAPI website

[anshgoyalevil]

Description

• This PR introduces the translation guide
• It would help the community in introducing or improving new localizations.
• This PR is a part of AsyncAPI Mentorship Program 2023

Related issue(s)
part of #2039

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[anshgoyalevil]

//cc @magicmatatjahu

[github-actions]

⚡️ Lighthouse report for the changes in this PR:

Category	Score
🔴 Performance	30
🟢 Accessibility	98
🟢 Best practices	100
🟢 SEO	100
🔴 PWA	30

Lighthouse ran on https://deploy-preview-2130--asyncapi-website.netlify.app/

[magicmatatjahu]

Amazing work! Sorry for such a delay. I added some comments but we also need @alequetzalli review :)

[anshgoyalevil]

Thanks @magicmatatjahu for the fine-tuning. The wait was worth it 🛩️

A green flag from @alequetzalli (Docs Ecosystem Authtor 😄) is left

[asyncapi-bot]

⚡️ Lighthouse report for the changes in this PR:

Category	Score
🔴 Performance	37
🟢 Accessibility	98
🟢 Best practices	92
🟢 SEO	100
🔴 PWA	33

Lighthouse ran on https://deploy-preview-2130--asyncapi-website.netlify.app/

[anshgoyalevil]

@alequetzalli Hey, could you please review this PR 😄

[quetzalliwrites]

I rewrote the parts that were rough/confusing. Looks good now 🚢

Thank you for this great documentation @anshgoyalevil 🥳

[akshatnema]

Closing this PR as changes are incorporated in #2184

[anshgoyalevil]

@akshatnema This PR wasn't supposed to be closed 🙂 It is related to changes related to docs.

The PR that needs to be closed is: #2131 actually :)

[anshgoyalevil]

/rtm

[anshgoyalevil]

/rtm