Document all undocumented methods and properties

PkmnLib.Dynamic/Libraries/DataLoaders/GrowthRateDataLoader.cs

@@ -4,8 +4,14 @@ using PkmnLib.Static.Libraries;
 
 namespace PkmnLib.Dynamic.Libraries.DataLoaders;
 
+/// <summary>
+/// Loads growth rate data from a JSON file.
+/// </summary>
 public static class GrowthRateDataLoader
 {
+    /// <summary>
+    /// Loads the growth rate library from a JSON file.
+    /// </summary>
     public static GrowthRateLibrary LoadGrowthRates(Stream stream, Action<List<IGrowthRate>>? action = null)
     {
         var objects = JsonSerializer.Deserialize<Dictionary<string, uint[]>>(stream, JsonOptions.DefaultOptions)!;