Upgrade Bootstrap from v4 to v5

[ioanatflowcrypt]

Currently we use Bootstrap v4, which depends on jQuery v3. Since the project has moved to jQuery v4.
To resolve this, we need to upgrade Bootstrap from v4 to v5, which removes the jQuery dependency and allows us to use jQuery v4 safely.

[ioanatflowcrypt]

@sosnovsky Let me know your thought

[sosnovsky]

Sounds good, let's migrate to the newest bootstrap version