Add better password check

[ginnyTheCat]

Description

Adds more resilient password checks using the zxcvbn library. As it contains many tables to check against the library is pretty big. To mitigate this problem the Auth component is now only loaded when the user is not yet logged in.

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings

Preview: https://716--pr-cinny.netlify.app
⚠️ Exercise caution. Use test accounts. ⚠️

[ajbura]

Loading zxcvbn in login page increase our loading time even when we don't want to create an account.

Also password like:

is not acceptable but

is acceptable

where both are not a strong password and homeserver may reject it.

see: https://spec.matrix.org/v1.3/client-server-api/#notes-on-password-management

[kfiven]

Closing as stale.