Added autorun on boot setting for windows.

src/singletons/Settings.cpp

@@ -5,6 +5,7 @@
 #include "singletons/Paths.hpp"
 #include "singletons/Resources.hpp"
 #include "singletons/WindowManager.hpp"
+#include "util/WindowsHelper.hpp"
 
 namespace chatterino {
 
@@ -14,6 +15,12 @@ Settings::Settings(const QString &settingsDirectory)
     : ABSettings(settingsDirectory)
 {
     instance = this;
+
+#ifdef USEWINSDK
+    this->autorun = isRegisteredForStartup();
+    this->autorun.connect(
+        [](bool autorun) { setRegisteredForStartup(autorun); }, false);
+#endif
 }
 
 Settings &Settings::getInstance()