initializing post view

[Tenzin-sama]

10 adding functionality to see how many users have seen a post

• [x] create post views
• [x] enable for dark mode

[Tenzin-sama]

12 some bugs have been discovered, working on fixing them

[Tenzin-sama]

• [x] fix the reported bug #12

[Tenzin-sama]

The post view feature has been completed, also for dark mode as well. The reported bugs have been fixed as well.