Добавление патча сжатия png, обновление документации

patches/color_theme.py

@@ -1,8 +1,9 @@
-# Change application theme
+"""Change application theme"""
+priority = 0
+from tqdm import tqdm
 
 from lxml import etree
 
-
 def apply(config: dict) -> bool:
     main_color = config["theme"]["colors"]["primary"]
     splash_color = config["theme"]["colors"]["secondary"]