Move back custom widgets into main project

Signed-off-by: AnErrupTion <anerruption@disroot.org>

src/enums.zig

@@ -9,6 +9,14 @@ pub const Animation = enum {
     dur_file,
 };
 
+pub const DisplayServer = enum {
+    wayland,
+    shell,
+    xinitrc,
+    x11,
+    custom,
+};
+
 pub const Input = enum {
     info_line,
     session,