Allow the user to filter posts by tags we set

[Subsonic-dev]

Allows the user to filter posts in the feed out of a set list that we define. Common tags like platform Xbox, Playstation, PC etc as well as a list of games eg Ark, No Man's sky etc.

[aimanafzal]

@Subsonic-dev Kindly assign this to me.

Thanks!

[Subsonic-dev]

@aimanafzal You should be able to self assign tasks however I will look into this. In the meantime I have assigned this issue to you.