Tightened the source code and README documentations in the library.

Sources/PlaydateKit/Lua/Enumerations/ClassValue.swift

@@ -1,11 +1,8 @@
 extension Lua {
-    /// A constant published on a registered class.
+    /// A class constant for `Lua.registerClass`. Wraps `lua_val`.
     public enum ClassValue {
-        /// An integer constant.
         case int(name: String, value: UInt32)
-        /// A floating-point constant.
         case float(name: String, value: Float)
-        /// A string constant.
         case string(name: String, value: String)
     }
 }