docs: update readme and example captures

Signed-off-by: Emilio Reyes <soda480@gmail.com>

Author: soda480

README.md

@@ -44,7 +44,7 @@ Use `ascii-art-animator` to convert the following [GIF image](https://raw.github
 * set columns to 140 characters
 
 ```bash
-ascii-art-animator -f docs/images/marcovich.gif -d -a -m 1 -c 140
+ascii-art-animator -f docs/images/marcovich.gif -a -m 1 -c 130
 ```
 
 ![example](https://raw.githubusercontent.com/soda480/ascii-animator/main/docs/images/marcovich-exec.gif)

docs/images/example2.gif

@@ -39,7 +39,7 @@ def cycle(self):
 
 
 def main():
-    Animator(animation=EqAmpLevelBars(35, 140), speed=Speed.SLOW)
+    Animator(animation=EqAmpLevelBars(35, 130), speed=Speed.SLOW)
 
 
 if __name__ == '__main__':  # pragma: no cover