feat: show network detail view

Includes refactor to not using mainwindow.ui form. More flexible layout
management with programmatic initialization.

src/networkdetailwidget.h

@@ -0,0 +1,37 @@
+#ifndef NETWORKDETAILWIDGET_H
+#define NETWORKDETAILWIDGET_H
+
+#include <QWidget>
+
+class Store;
+class QLabel;
+class QProgressBar;
+class QListWidget;
+class QPushButton;
+
+class NetworkDetailWidget : public QWidget
+{
+  Q_OBJECT
+
+public:
+  explicit NetworkDetailWidget(Store *store, QWidget *parent = nullptr);
+
+  void setNetwork(const QString &networkId);
+  void setCurrentUserEmail(const QString &email);
+
+private:
+  void refresh();
+
+  Store *m_store;
+  QString m_networkId;
+  QString m_currentUserEmail;
+
+  QLabel *m_nameLabel;
+  QLabel *m_adminLabel;
+  QProgressBar *m_streamBar;
+  QLabel *m_streamBarLabel;
+  QListWidget *m_membersList;
+  QPushButton *m_addMemberBtn;
+};
+
+#endif // NETWORKDETAILWIDGET_H