Pillow (#189)

* fix : meta.yaml updated

* doc : CHANGELOG updated

CHANGELOG.md

@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+### Changed
+- `pillow` added to conda dependencies
 ## [1.1] - 2023-04-05
 ### Added
 - `__version__` attribute

otherfiles/meta.yaml

@@ -20,6 +20,7 @@ requirements:
         - art >=1.8
         - matplotlib >=3.0.0
         - requests >=2.20.0
+        - pillow >=6.2
         - python >=3.5
 about:
     home: https://github.com/sepandhaghighi/samila