feat: Implemented AppImage building

.config/flatpak/webview/main.cpp

@@ -0,0 +1,14 @@
+#include <QApplication> 
+#include <QWebEngineView> 
+#include <QWebEngineSettings>
+#include <QUrl>
+
+int main(int argc, char *argv[]) 
+{ 
+    QApplication app(argc, argv); 
+    if (argc < 2) { return 1; } 
+    QWebEngineView view; 
+    view.setUrl(QUrl(argv[1])); 
+    view.showFullScreen(); 
+    return app.exec(); 
+}