Add a way to view server support information

This is useful if your server has said information, for matrix.org
includes abuse and administrator e-mails.

See #707

src/app/supportcontroller.h

@@ -0,0 +1,48 @@
+// SPDX-FileCopyrightText: 2026 Joshua Goins <josh@redstrate.com>
+// SPDX-License-Identifier: GPL-3.0-only
+
+#pragma once
+
+#include "neochatconnection.h"
+
+class SupportContact
+{
+    Q_GADGET
+
+    Q_PROPERTY(QString role MEMBER role)
+    Q_PROPERTY(QString matrixId MEMBER matrixId)
+    Q_PROPERTY(QString emailAddress MEMBER emailAddress)
+
+public:
+    QString role;
+    QString matrixId;
+    QString emailAddress;
+};
+
+class SupportController : public QObject
+{
+    Q_OBJECT
+    QML_ELEMENT
+
+    Q_PROPERTY(NeoChatConnection *connection READ connection WRITE setConnection NOTIFY connectionChanged REQUIRED)
+    Q_PROPERTY(QString supportPage READ supportPage NOTIFY loaded)
+    Q_PROPERTY(QList<SupportContact> contacts READ contacts NOTIFY loaded)
+
+public:
+    void setConnection(NeoChatConnection *connection);
+    NeoChatConnection *connection() const;
+
+    QString supportPage() const;
+    QList<SupportContact> contacts() const;
+
+Q_SIGNALS:
+    void connectionChanged();
+    void loaded();
+
+private:
+    void load();
+
+    QPointer<NeoChatConnection> m_connection = nullptr;
+    QList<SupportContact> m_contacts;
+    QString m_supportPage;
+};