Adds setter to IsEgg

PkmnLibSharp/Battling/Pokemon.cs

@@ -202,7 +202,11 @@ namespace PkmnLibSharp.Battling
             }
         }
 
-        public bool IsEgg => Pkmnlib.Generated.Pokemon.IsEgg(Ptr) == 1;
+        public bool IsEgg
+        {
+            get => Pkmnlib.Generated.Pokemon.IsEgg(Ptr) == 1;
+            set => Pkmnlib.Generated.Pokemon.SetIsEgg(Ptr, value.ToNative());
+        }
 
         public ReadOnlyNativePtrArray<LearnedMove> Moves
         {

PkmnLibSharp/Generated/Pkmnlib/Pokemon.cs

@@ -119,6 +119,12 @@ namespace Pkmnlib.Generated
         [DllImport("libpkmnLib", CallingConvention = CallingConvention.Cdecl, EntryPoint= "PkmnLib_Pokemon_IsEgg")]
         internal static extern byte IsEgg(IntPtr p);
 
+        /// <param name="p">Pokemon *</param>
+        /// <param name="value">bool</param>
+        /// <returns>void</returns>
+        [DllImport("libpkmnLib", CallingConvention = CallingConvention.Cdecl, EntryPoint= "PkmnLib_Pokemon_SetIsEgg")]
+        internal static extern void SetIsEgg(IntPtr p, byte value);
+
         /// <param name="p">Pokemon *</param>
         /// <param name="species">const PokemonSpecies *</param>
         /// <param name="forme">const PokemonForme *</param>