refactor: move Network files from src/common/ to src/common/network/ (#5089)

src/common/network/NetworkManager.hpp

@@ -0,0 +1,20 @@
+#pragma once
+
+#include <QNetworkAccessManager>
+#include <QThread>
+
+namespace chatterino {
+
+class NetworkManager : public QObject
+{
+    Q_OBJECT
+
+public:
+    static QThread workerThread;
+    static QNetworkAccessManager accessManager;
+
+    static void init();
+    static void deinit();
+};
+
+}  // namespace chatterino