print version on --version switch

src/common/Args.cpp

@@ -10,6 +10,10 @@ Args::Args(const QStringList &args)
         {
             this->crashRecovery = true;
         }
+        else if (arg == "--version")
+        {
+            this->printVersion = true;
+        }
     }
 }
 

src/common/Args.hpp

@@ -1,5 +1,7 @@
 #pragma once
 
+#include <QStringList>
+
 namespace chatterino {
 
 /// Command line arguments passed to Chatterino.
@@ -8,6 +10,7 @@ class Args
 public:
     Args(const QStringList &args);
 
+    bool printVersion{};
     bool crashRecovery{};
 };
 

src/common/Version.hpp

@@ -1,5 +1,6 @@
 #pragma once
 
+#include <QString>
 #include <QtGlobal>
 
 #define CHATTERINO_VERSION "2.1.5"