instant saves as a toggle instead of default

src/dusk/imgui/ImGuiMenuEnhancements.cpp

@@ -52,6 +52,11 @@ namespace dusk {
                 if (ImGui::IsItemHovered()) {
                     ImGui::SetTooltip("Hides the TV calibration screen shown when loading a save");
                 }
+                
+                config::ImGuiCheckbox("Instant Saves", getSettings().game.instantSaves);
+                if (ImGui::IsItemHovered()) {
+                    ImGui::SetTooltip("Skip the delay when writing to the Memory Card");
+                }
 
                 ImGui::EndMenu();
             }

src/dusk/settings.cpp

@@ -31,6 +31,7 @@ UserSettings g_userSettings = {
         .fastClimbing {"game.fastClimbing", false},
         .noMissClimbing {"game.noMissClimbing", false},
         .fastTears {"game.fastTears", false},
+        .instantSaves {"game.instantSaves", false},
 
         // Preferences
         .enableMirrorMode {"game.enableMirrorMode", false},
@@ -85,6 +86,7 @@ void registerSettings() {
     Register(g_userSettings.game.instantDeath);
     Register(g_userSettings.game.fastClimbing);
     Register(g_userSettings.game.fastTears);
+    Register(g_userSettings.game.instantSaves);
     Register(g_userSettings.game.enableMirrorMode);
     Register(g_userSettings.game.invertCameraXAxis);
     Register(g_userSettings.game.enableBloom);