Add https://www.reddit.com/r/Ultralytics/ badge (#13284)

* Refactor code for speed and clarity

* Update README.zh-CN.md

Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>

---------

Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>
Co-authored-by: UltralyticsAssistant <web@ultralytics.com>

utils/__init__.py

@@ -12,7 +12,8 @@ def emojis(str=""):
 
 
 class TryExcept(contextlib.ContextDecorator):
-    # YOLOv5 TryExcept class. Usage: @TryExcept() decorator or 'with TryExcept():' context manager
+    """A context manager and decorator for error handling that prints an optional message with emojis on exception."""
+
     def __init__(self, msg=""):
         """Initializes TryExcept with an optional message, used as a decorator or context manager for error handling."""
         self.msg = msg