Add detailed docstrings for PositiveInt class and its methods to enhance documentation and clarify functionality.

Author: n1nj4t4nuk1

pyvalueobjects/numbers/positive_int.py

@@ -3,11 +3,23 @@
 
 
 class PositiveInt(PositiveOrZeroInt):
+    """
+    A value object representing a positive integer. Inherits from PositiveOrZeroInt and validates that the input is a positive integer.
+    """
 
     def __init__(self, value: int):
+        """
+        Initialize the PositiveInt object with the given positive integer value.
+        :param value: A positive integer value.
+        """
         super().__init__(value)
 
     def _validate(self, value):
+        """
+        Validate that the given value is a positive integer.
+        :param value: The value to validate.
+        :raises: ValueObjectError if the value is not a positive integer.
+        """
         super()._validate(value)
         if value <= 0:
             raise ValueObjectError('Value must be greater than 0.')