Update areas-of-d-usage.dd (#3920)

Updated game engines details in language description. Previous links are not presentable anymore - Dash just not opening, and the gfm is archived.
I think new examples should be updated for people who will be interested.
Maybe bindings for Godot and Raylib also worth to mention here.

Author: cyrusmsk

areas-of-d-usage.dd

@@ -91,9 +91,9 @@ $(AREA_SECTION3 $(LNAME2 games, Games), $(ARTICLE_FA_ICON gamepad),
 
     Many pure-D open source projects show the rising popularity
     of D among game developers.
-    Examples are the cross-platform 3D game engine
-    $(HTTP dash.circularstudios.com, Dash) and the D game development toolkit
-    $(HTTPS github.com/d-gamedev-team/gfm, gfm).
+    Examples are the 3D game engine
+    $(HTTP https://github.com/gecko0307/dagon, Dagon) and the  cross-platform D game development engine
+    $(HTTPS https://github.com/MrcSnm/HipremeEngine, HipremeEngine).
 )
 
 $(AREA_SECTION3 $(LNAME2 web, Web applications), $(ARTICLE_FA_ICON cloud),