Add an accessible "edit" button when viewing pages on mobile

[elliotrpage]

Describe the feature you'd like

When you are editing a page on mobile, either via browser or via Progressive Web App, there is a handy "save" button which floats in the bottom right of the screen, like so:

The id attribute for this item is "save-button-mobile".

It would be great if there was an "edit" button in the same position when you are viewing the page.

Describe the benefits this would bring to existing BookStack users

Improved access to editing a page on mobile or PWA.

At present a user has to click the "info" tab at the top of the page and then the "edit" link. While this is only two interactions it feels "fiddly" to operate, especially when using a device one-handed.
Adding this button would also increase interface standardization across the mobile site, as users would expect a relevant button in the same location whether they are editing or viewing.

Can the goal of this request already be achieved via other means?

Not that I am aware of?

Have you searched for an existing open/closed issue?

• I have searched for existing issues and none cover my fundamental request

How long have you been using BookStack?

3 months to 1 year

Additional context

I have had a look at the bookstack source to see if I can make a PR for this myself but have little free time at present to do so!