fix: define declared method + insert new bar entries to config file list + rename Hyprsunset -> Nightlight

Plugins/ZShell/Services/gpu.cpp

@@ -205,6 +205,10 @@ qreal Gpu::memoryTotal() const {
 	return m_memoryTotal;
 }
 
+bool Gpu::detecting() const {
+	return m_detecting;
+}
+
 void Gpu::setType(GpuType value) {
 	if (value == m_type) return;