feat: add browser language detector to automatically switch to default browser lang

[anshgoyalevil]

Description

• This PR leverages the browser API to detect the user's default language selected in order of an array. For example, the user has selected German, English, Chinese, etc in their browser's settings.
• The website would check that array of languages, like here, it would get ['de', 'en', ..]
• It would then check if the first language of this array is having translation available, if yes, then it would change the language on the first render, and this continues till it finds one. In case no lang is available, it would default to 'en'.
• If the user picks language from the language picker, it would override this behavior and the future sessions would use the language selected manually by the user.

Related issue(s)

#2021

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[github-actions]

⚡️ Lighthouse report for the changes in this PR:

Category	Score
🔴 Performance	27
🟢 Accessibility	98
🟢 Best practices	100
🟢 SEO	100
🔴 PWA	30

Lighthouse ran on https://deploy-preview-2022--asyncapi-website.netlify.app/

[magicmatatjahu]

For me it's good :) However, please remove the prefix in the current website, when user go to the site. Atm we are redirecting from root to the en by default. We will enable that at the end of epic.

[anshgoyalevil]

Thanks for reviewing @magicmatatjahu 😄

I have made the required changes.
The website wouldn't be redirected to the /en lang as I have commented the function which controls this behavior. Would enable that at the end of epic.

[magicmatatjahu]

@anshgoyalevil Thanks! :)

[magicmatatjahu]

/rtm