feat: add audio system

tests/main.cpp

@@ -10,6 +10,7 @@ void RunGraphicsTests();
 void RunUiTests();
 void RunGameplayTests();
 void RunEditorTests();
+void RunAudioTests();
 
 namespace {
     struct Suite {
@@ -26,6 +27,7 @@ namespace {
         {"ui", RunUiTests},
         {"gameplay", RunGameplayTests},
         {"editor", RunEditorTests},
+        {"audio", RunAudioTests},
     };
 }