feat: spellcheck input (#6446)

Reviewed-by: Mm2PL <mm2pl+gh@kotmisia.pl>
Reviewed-by: pajlada <rasmus.karlsson@pajlada.com>
Reviewed-by: fourtf <tf.four@gmail.com>

src/singletons/Paths.cpp

@@ -145,6 +145,7 @@ void Paths::initSubDirectories()
     this->pluginsDirectory = makePath("Plugins");
     this->themesDirectory = makePath("Themes");
     this->crashdumpDirectory = makePath("Crashes");
+    this->dictionariesDirectory = makePath("Dictionaries");
 #ifdef Q_OS_WIN
     this->ipcDirectory = makePath("IPC");
 #else