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/singletons/Paths.cpp

@@ -141,6 +141,7 @@ void Paths::initSubDirectories()
     this->messageLogDirectory = makePath("Logs");
     this->miscDirectory = makePath("Misc");
     this->twitchProfileAvatars = makePath("ProfileAvatars");
+    this->pluginsDirectory = makePath("Plugins");
     this->crashdumpDirectory = makePath("Crashes");
     //QDir().mkdir(this->twitchProfileAvatars + "/twitch");
 }

src/singletons/Paths.hpp

@@ -34,6 +34,9 @@ public:
     // Profile avatars for Twitch <appDataDirectory>/cache/twitch
     QString twitchProfileAvatars;
 
+    // Plugin files live here. <appDataDirectory>/Plugins
+    QString pluginsDirectory;
+
     bool createFolder(const QString &folderPath);
     bool isPortable();
 

src/singletons/Settings.hpp

@@ -528,6 +528,10 @@ public:
          {"d", 1},
          {"w", 1}}};
 
+    BoolSetting pluginsEnabled = {"/plugins/supportEnabled", false};
+    ChatterinoSetting<std::vector<QString>> enabledPlugins = {
+        "/plugins/enabledPlugins", {}};
+
 private:
     void updateModerationActions();
 };