added xml comments for existing api parts and pieces.

server/Models/Quote.cs

@@ -5,22 +5,40 @@ namespace server.Models
 {
     public class Quote
     {
+        /// <summary>
+        /// Identifier for the quote.
+        /// </summary>
         [BsonId]
         [BsonRepresentation(BsonType.ObjectId)]
         public string? Id { get; set; }
 
+        /// <summary>
+        /// The season number during which the quote was said.
+        /// </summary>
         [BsonElement("season")]
         public int? Season { get; set; }
 
+        /// <summary>
+        /// The episode number during which the quote was said.
+        /// </summary>
         [BsonElement("episode")]
         public int Episode { get; set; }
 
+        /// <summary>
+        /// The quote text.
+        /// </summary>
         [BsonElement("text")]
         public string? Text { get; set; }
 
+        /// <summary>
+        /// The source of the quote.
+        /// </summary>
         [BsonElement("source")]
         public string? Source { get; set; }
 
+        /// <summary>
+        /// The narrator of the quote.
+        /// </summary>
         [BsonElement("narrator")]
         public string? Narrator { get; set; }
     }