Further work on static side

PkmnLib.Static/TypeIdentifier.cs

@@ -1,15 +1,28 @@
+using PkmnLib.Static.Libraries;
+
 namespace PkmnLib.Static;
 
+/// <summary>
+/// A number that identifies a type. To be used with <see cref="TypeLibrary"/>
+/// </summary>
 public readonly record struct TypeIdentifier
 {
-    private byte Value { get; init; }
-    
+    /// <summary>
+    /// The underlying value of the type identifier.
+    /// </summary>
+    public byte Value { get; }
+
+    /// <inheritdoc cref="TypeIdentifier"/>
     public TypeIdentifier(byte value)
     {
         Value = value;
     }
-    
+
+    /// <summary>
+    /// Converts a byte to a type identifier.
+    /// </summary>
     public static implicit operator TypeIdentifier(byte value) => new(value);
 
+    /// <inheritdoc />
     public override int GetHashCode() => Value.GetHashCode();
 }