Ignore moc files.
Fix build failure.
Expose a QSqlQueryModel obj to qml.

I need to provide rolenames for the model in order to be able to access the db
fields in the qml files.

QQmlApplicationEngine provides both rootObjects() and rootContext(). Haven't
figured how the contexts and root objects interact yet.
Include __func__ in debug statement.
README: Refine project goals and add tasks.
Use a QSqlQueryModel for retrieving notes from the db.
Actually include the notesqlmodel.{cpp,h} files

Now it builds, and displays entries from the database.