Added the BeyondFacts Lab as a prototype (#1175)

app/MindWork AI Studio/Assistants/BeyondFactsLab/BflFieldKind.cs

@@ -0,0 +1,32 @@
+namespace AIStudio.Assistants.BeyondFactsLab;
+
+/// <summary>
+/// How a field of the BeyondFacts Lab takes its value.
+/// </summary>
+public enum BflFieldKind
+{
+    /// <summary>
+    /// A short text in one line.
+    /// </summary>
+    SINGLE_LINE,
+
+    /// <summary>
+    /// A longer text over several lines.
+    /// </summary>
+    MULTI_LINE,
+
+    /// <summary>
+    /// The address of a web page.
+    /// </summary>
+    LINK,
+
+    /// <summary>
+    /// One of the options of the field.
+    /// </summary>
+    CHOICE,
+
+    /// <summary>
+    /// Any number of the options of the field.
+    /// </summary>
+    MULTI_CHOICE,
+}