Fixed a few hyperlinks. Translated some texts

[KPCOFGS]

• This change is worth documenting at https://docs.all-hands.dev/
• Include this change in the Release Notes. If checked, you must provide an end-user friendly description for your change below

End-user friendly description of the problem this fixes or functionality that this introduces.

Fixed a few hyperlinks that now properly redirect users to correct place. Translated some texts so they are up to date

Give a summary of what the PR does, explaining any non-trivial design decisions.

Fixed a few hyperlinks that now properly redirect users to correct place. Translated some texts so they are up to date

[mamoodi]

Thanks very much!