[WIP] Qt: Add config window controls (#655)

* Qt: Add config window controls

* Fix Windows build

* Fix audio slider

* Qt configs: Make thread-safe, properly update audio enable & renderdoc settings

* Qt configs: Add `connectCheckbox` function

* Qt configs: Add `connectCheckbox` function

* Rename spuLayout

* Add Discord RPC reloading

* Allow configuring the app icon

* Qt: Serialize icon & theme, properly set them

* Add rnap and rcow icons

* Qt: Fix forceShadergen config

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Co-authored-by: wheremyfoodat <44909372+wheremyfoodat@users.noreply.github.com>

include/config.hpp

@@ -3,6 +3,7 @@
 
 #include "audio/dsp_core.hpp"
 #include "renderer.hpp"
+#include "frontend_settings.hpp"
 
 struct AudioDeviceConfig {
 	float volumeRaw = 1.0f;
@@ -86,8 +87,9 @@ struct EmulatorConfig {
 
 	WindowSettings windowSettings;
 	AudioDeviceConfig audioDeviceConfig;
+	FrontendSettings frontendSettings;
 
 	EmulatorConfig(const std::filesystem::path& path);
 	void load();
 	void save();
-};
+};