added filter logic to UI, and images to readme to reflect UI changes

Fonts are giving warnings within the console while running, which requires an overlook!
There also seems to be a Theme warning issue with property names.
Such as
(main.exe:6464): Gtk-WARNING **: 19:51:56.269: Theme parser error: :1:265-275: No property named "text-align"

(main.exe:6464): Gtk-WARNING **: 19:51:56.271: Theme parser error: :1:314-321: No property named "display"

(main.exe:6464): Gtk-WARNING **: 19:51:56.274: Theme parser error: :1:396-399: Expected an identifier

(main.exe:6464): Gtk-WARNING **: 19:51:56.277: Theme parser error: :1:441-451: No property named "text-align"

(main.exe:6464): Gtk-WARNING **: 19:51:56.279: Theme parser error: :1:490-497: No property named "display"

(main.exe:6464): Gtk-WARNING **: 19:51:56.281: Theme parser error: :1:556-562: No property named "cursor"

(main.exe:6464): Pango-WARNING **: 19:51:56.458: couldn't load font "BigNoodleTitling Bold 36px", falling back to "Sans Bold 36px", expect ugly output.

(main.exe:6464): Pango-WARNING **: 19:51:56.480: couldn't load font "BigNoodleTitling Bold Not-Rotated 36px", falling back to "Sans Bold Not-Rotated 36px", expect ugly output.

(main.exe:6464): Pango-WARNING **: 19:51:56.484: couldn't load font "BigNoodleTitling Not-Rotated 22px", falling back to "Sans Not-Rotated 22px", expect ugly output.

(main.exe:6464): Pango-WARNING **: 19:51:56.497: couldn't load font "BigNoodleTitling 22px", falling back to "Sans 22px", expect ugly output.

Program works though, adding Request. - Stable