Added PowerPoint templates to the Slide Assistant (#1055)

Co-authored-by: Thorsten Sommer <SommerEngineering@users.noreply.github.com>

app/MindWork AI Studio/Tools/PowerPoint/LayoutPurposeArea.cs

@@ -0,0 +1,46 @@
+namespace AIStudio.Tools.PowerPoint;
+
+/// <summary>
+/// An area of kinds of slides, by which the forms group the choices of layouts.
+/// </summary>
+/// <remarks>
+/// The members follow the order in which the forms list the areas, and the kinds of slides in
+/// LayoutPurpose follow the same order.
+/// </remarks>
+public enum LayoutPurposeArea
+{
+    /// <summary>
+    /// The slides which frame a presentation and structure its course, e.g., the title slide, chapters, or the imprint.
+    /// </summary>
+    FRAMING,
+
+    /// <summary>
+    /// Content of every kind of presentation, e.g., a key message, a comparison, or pictures.
+    /// </summary>
+    GENERAL,
+
+    /// <summary>
+    /// Teaching, training, and workshops, e.g., learning objectives or exercises.
+    /// </summary>
+    TEACHING,
+
+    /// <summary>
+    /// Business and projects, e.g., risks, KPIs, or milestones.
+    /// </summary>
+    BUSINESS,
+
+    /// <summary>
+    /// Science and research, e.g., hypotheses, methodology, or results.
+    /// </summary>
+    SCIENCE,
+
+    /// <summary>
+    /// Medicine, e.g., patient cases, findings, or therapies.
+    /// </summary>
+    MEDICINE,
+
+    /// <summary>
+    /// Law, e.g., the facts of a case, legal provisions, or court rulings.
+    /// </summary>
+    LAW,
+}