Update recipes

recipes/wip/demos/fundsp/recipe.toml

-#TODO not compiled or tested
+#TODO can't find the fontconfig files
 [source]
 git = "https://github.com/SamiPerttu/fundsp"
 [build]

recipes/wip/demos/funutd/recipe.toml

-#TODO not compiled or tested
+#TODO rfd crate error
 [source]
 git = "https://github.com/SamiPerttu/funutd"
 [build]

recipes/wip/demos/fyrox/recipe.toml

 #TODO not compiled or tested
 [source]
-git = "https://github.com/FyroxEngine/Fyrox"
+git = "https://github.com/FyroxEngine/Fyrox-demo-projects"
 [build]
 template = "custom"
 script = """
-cookbook_cargo_examples 2d
+COOKBOOK_SOURCE="${COOKBOOK_SOURCE}/ui"
+cookbook_cargo_packages ui
 """