Move the qt models to their own folder

Felt like the src folder was getting a bit crowded so move all the models to a folder named models.

src/models/keywordnotificationrulemodel.h

@@ -0,0 +1,35 @@
+// SPDX-FileCopyrightText: 2022 James Graham <james.h.graham@protonmail.com>
+// SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+
+#pragma once
+
+#include <csapi/definitions/push_rule.h>
+
+#include <QAbstractListModel>
+
+class KeywordNotificationRuleModel : public QAbstractListModel
+{
+    Q_OBJECT
+
+public:
+    enum EventRoles {
+        NameRole = Qt::DisplayRole,
+    };
+
+    KeywordNotificationRuleModel(QObject *parent = nullptr);
+
+    [[nodiscard]] QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
+    [[nodiscard]] int rowCount(const QModelIndex &parent = QModelIndex()) const override;
+
+    [[nodiscard]] QHash<int, QByteArray> roleNames() const override;
+
+    Q_INVOKABLE void addKeyword(const QString &keyword);
+    Q_INVOKABLE void removeKeywordAtIndex(int index);
+
+private Q_SLOTS:
+    void controllerConnectionChanged();
+    void updateNotificationRules(const QString &type);
+
+private:
+    QList<QString> m_notificationRules;
+};