Add basic lua scripting capabilities (#4341)

The scripting capabilities is locked behind a cmake flag, and is not enabled by default.

Co-authored-by: nerix <nerixdev@outlook.de>
Co-authored-by: pajlada <rasmus.karlsson@pajlada.com>

src/Application.cpp

@@ -10,6 +10,9 @@
 #include "controllers/hotkeys/HotkeyController.hpp"
 #include "controllers/ignores/IgnoreController.hpp"
 #include "controllers/notifications/NotificationController.hpp"
+#ifdef CHATTERINO_HAVE_PLUGINS
+#    include "controllers/plugins/PluginController.hpp"
+#endif
 #include "controllers/sound/SoundController.hpp"
 #include "controllers/userdata/UserDataController.hpp"
 #include "debug/AssertInGuiThread.hpp"
@@ -85,6 +88,9 @@ Application::Application(Settings &_settings, Paths &_paths)
     , seventvBadges(&this->emplace<SeventvBadges>())
     , userData(&this->emplace<UserDataController>())
     , sound(&this->emplace<SoundController>())
+#ifdef CHATTERINO_HAVE_PLUGINS
+    , plugins(&this->emplace<PluginController>())
+#endif
     , logging(&this->emplace<Logging>())
 {
     this->instance = this;