added xml comments for existing api parts and pieces.

server/Models/Episode.cs

@@ -5,35 +5,65 @@ namespace server.Models
 {
     public class Episode
     {
+        /// <summary>
+        /// Identifier for the episode.
+        /// </summary>
         [BsonId]
         [BsonRepresentation(BsonType.ObjectId)]
         public string? Id { get; set; }
 
+        /// <summary>
+        /// Season number for the episode.
+        /// </summary>
         [BsonElement("season")]
         public int? Season { get; set; }
 
+        /// <summary>
+        /// The episde number relative to the entire series.
+        /// </summary>
         [BsonElement("numberInSeries")]
         public int? NumberInSeries { get; set; }
 
+        /// <summary>
+        /// The episode number relative to its season.
+        /// </summary>
         [BsonElement("numberInSeason")]
         public int? NumberInSeason { get; set; }
 
+        /// <summary>
+        /// The title of the episode.
+        /// </summary>
         [BsonElement("title")]
         public string? Title { get; set; }
 
+        /// <summary>
+        /// A brief summary of the episode.
+        /// </summary>
         [BsonElement("summary")]
         public string? Summary { get; set; }
 
+        /// <summary>
+        /// The director of the episode.
+        /// </summary>
         [BsonElement("directedBy")]
         public string? DirectedBy { get; set; }
 
+        /// <summary>
+        /// The writer of the episode.
+        /// </summary>
         [BsonElement("writtenBy")]
         public string[]? WrittenBy { get; set; }
 
+        /// <summary>
+        /// Date the episode aired.
+        /// </summary>
         [BsonElement("airDate")]
         [BsonDateTimeOptions(DateOnly = true)]
         public DateTime? AirDate { get; set; }
 
+        /// <summary>
+        /// Number of us viewers in millions for the episode.
+        /// </summary>
         [BsonElement("usViewersInMillions")]
         public double? UsViewersInMillions { get; set; }