Added a SWOT analysis assistant (#1122)

Co-authored-by: hart_s3 <sabrina.hartmann@dlr.de>

app/MindWork AI Studio/Assistants/SWOTAnalysis/SwotOverallAssessment.cs

@@ -0,0 +1,21 @@
+using System.Text.Json.Serialization;
+
+namespace AIStudio.Assistants.SWOTAnalysis;
+
+/// <summary>
+/// The overall assessment of a SWOT analysis, which weighs the four categories against each other.
+/// </summary>
+public sealed class SwotOverallAssessment
+{
+    [JsonPropertyName("label")]
+    public string Label { get; set; } = string.Empty;
+
+    [JsonPropertyName("text")]
+    public string Text { get; set; } = string.Empty;
+
+    /// <summary>
+    /// The paragraphs of the text, one per line the model wrote.
+    /// </summary>
+    [JsonIgnore]
+    public IReadOnlyList<string> Paragraphs => this.Text.ReplaceLineEndings("\n").Split('\n', StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries);
+}