Fixes and improvements

Apple Sign-in Support

* General UI legibility and layout improvements

Fixed crash when swiping the final page

* For You features a new option "My Uploads" to easily access the comics you've uploaded.
* Comic Reader features a new share button.

* Bug fixes and improvements

- Fixed a blank icon issue in the browser that affected some users.

Bug fixes.

* Fixed a bug on iPhone where the comment submit button was hidden by the keyboard.

Flagging a comic now prompts for a reason

* Fixes and improvements

Now supports iPhone!

* Fixed a bug that caused some external links to not open the app as expected
* Increased the number of visible entries in the charts

And other fixes and improvements