Migrate to cmake and refine the code structure (#92)

* migrate to cmake

* move the 3rd party libs

* organize 3rdparty

* update the 3rd party version

* refine the CMakeLists.txt

* update install command

* update install command

* update install command

* update install command

* update dependency

* update the dependency

* update the dependency

* remove CPM.cmake

* remove QtCreator project file

* update cmake file

* improve cmake file

* add cmakew

* use wget

* remove echo

* update the doc

* remove the screenshot

* update the doc

* update the install steps

* check the openconnect version

* update the doc

* update install scripts

* fix install scripts

* improve message

* improve message

* improve install scripts

* improve the version check

* improve the version check

* improve install script

* add version

* organize includes

* add version bump

* update CI

* update CI

* add the release flag

* update message

GPService/gpservice.h

@@ -1,8 +1,8 @@
 #ifndef GLOBALPROTECTSERVICE_H
 #define GLOBALPROTECTSERVICE_H
 
-#include <QObject>
-#include <QProcess>
+#include <QtCore/QObject>
+#include <QtCore/QProcess>
 
 static const QString binaryPaths[] {
     "/usr/local/bin/openconnect",
@@ -21,6 +21,8 @@ public:
     explicit GPService(QObject *parent = nullptr);
     ~GPService();
 
+    void quit();
+
     enum VpnStatus {
         VpnNotConnected,
         VpnConnecting,
@@ -38,7 +40,6 @@ public slots:
     void connect(QString server, QString username, QString passwd, QString extraArgs);
     void disconnect();
     int status();
-    void quit();
 
 private slots:
     void onProcessStarted();
@@ -53,6 +54,7 @@ private:
     int vpnStatus = GPService::VpnNotConnected;
 
     void log(QString msg);
+    bool isValidVersion(QString &bin);
     static QString findBinary();
     static QStringList splitCommand(QString command);
 };