[Feature Request] allow update on website

[anispwyn]

Is your feature request related to a problem? Please describe.
So i have my friends who hosted the website for me and when mango updated i feels bad asking him to update it for me everytime

Describe the solution you'd like
I would like to make it so that u can update using the website instead of going to your server client and bla bla...

Describe a small use-case for this feature request
A simpler way to update mango

Additional context
Also if this feature get approved somehow
I would like to make that u can change branch when you're going to update (stable/dev)