I am not a big fan of storing the passwords and 2fa together since if it is compromised, you lose both layers at the same time. But the alternative is not so convenient. But then in security, it is always a balance between the two.
There is also Cromite.
While they may not be able to force small developers, they can force the users by deeming all browsers that do not implement this feature illegal. This possibly will not work on the tech savvy, but standard users (the majority) will be affected.
"We have imploded enough, it is time to explode!"
Well, we have all been to a waterpark, no? The second case poses more difficult issues, though.
I would not. 11 is ok to use nowadays.
Why not milpsi?
Regular markdown should work, I guess.
do I then need to provide content?
No. You manage the server, and manage people registering. If it is enabled, they create communities (I.e. subreddits) and provide content. They can also use other server communities via federation.
Amen
If this is a one time work, I would recommend using WordPress with a free template. You have to learn WordPress, but it will be easier than learning HTML CSS js trio.