update changelog and move docstring before imports

Author: elfkuzco

Diff for: CHANGELOG.md

@@ -7,6 +7,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Changed
+- Simplify type annotations by replacing Union and Optional with pipe character ("|") for improved readability and clarity
+
 ## [3.3.2] - 2024-03-25
 
 ### Added

Diff for: src/zimscraperlib/misc.py

@@ -1,7 +1,7 @@
-from __future__ import annotations
-
 """ Miscelaneous utils"""
 
+from __future__ import annotations
+
 
 def first(*args: object | None) -> object:
     """first non-None value from *args ; fallback to empty string"""