Add docs/V1_15_OBJECTS_CLASSES.md from Claro v1.17.26 zip

docs/V1_15_OBJECTS_CLASSES.md

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+# Claro v1.15.26 Objects and Classes
+
+Claro objects are meant to stay plain and readable. Learners can start with variables and functions, then grow into classes when they are ready.
+
+## Basic class
+
+```claro
+CLASS Player
+    HAS name TEXT
+    HAS score NUMBER
+END
+
+NEW Player player
+SET player.name "Jon"
+SET player.score 10
+
+SAY player.name
+SAY player.score
+```
+
+## Methods
+
+Methods are taught with the same `TEACH` word used for normal functions.
+
+```claro
+CLASS Player
+    HAS name TEXT
+    HAS score NUMBER
+
+    TEACH show
+        SAY name
+        SAY score
+    END
+
+    TEACH add points
+        SET score score + points
+    END
+END
+
+NEW Player player
+SET player.name "Jon"
+SET player.score 10
+
+DO player.show
+DO player.add 5
+SAY player.score
+```
+
+Inside a method, class fields such as `name` and `score` are available directly.
+
+## Typed fields
+
+Fields can have simple Claro types:
+
+```claro
+HAS name TEXT
+HAS score NUMBER
+HAS ready YESNO
+```
+
+When an object is created, Claro creates default field values and remembers their types. This means an accidental bad value can be caught:
+
+```claro
+SET player.score "oops"
+```
+
+will fail because `score` is a `NUMBER` field.
+
+## Object helper commands
+
+```claro
+OBJECT CLASS player AS kind
+OBJECT FIELDS player AS fields
+```
+
+These are useful for teaching and debugging.