added asciicast brain progression game

Author: Cheshire-12

README.md

@@ -24,8 +24,11 @@
 ### Brain even game
 [![asciicast](https://asciinema.org/a/I7Qv5wFHbpgsqohyveU8xQvWK.svg)](https://asciinema.org/a/I7Qv5wFHbpgsqohyveU8xQvWK)
 
-### Brain calculator game
+### Brain Calculator game
 [![asciicast](https://asciinema.org/a/A7NkDB611mGA9oPoh7vu8TRM0.svg)](https://asciinema.org/a/A7NkDB611mGA9oPoh7vu8TRM0)
 
 ### Brain greatest common divisor game
-[![asciicast](https://asciinema.org/a/ylHyfvqJD3U4Vq9omSqaU1TO8.svg)](https://asciinema.org/a/ylHyfvqJD3U4Vq9omSqaU1TO8)
+[![asciicast](https://asciinema.org/a/ylHyfvqJD3U4Vq9omSqaU1TO8.svg)](https://asciinema.org/a/ylHyfvqJD3U4Vq9omSqaU1TO8)
+
+### Brain Progression game
+[![asciicast](https://asciinema.org/a/sfnznruokOxtof6zhyXkegwyy.svg)](https://asciinema.org/a/sfnznruokOxtof6zhyXkegwyy)

pyproject.toml

@@ -24,4 +24,5 @@ dev = [
 brain-games = "brain_games.scripts.brain_game:main"
 brain-even = "brain_games.scripts.brain_even:main"
 brain-calc = "brain_games.scripts.brain_calc:main"
-brain-gcd = "brain_games.scripts.brain_gcd:main"
+brain-gcd = "brain_games.scripts.brain_gcd:main"
+brain-progression = "brain_games.scripts.brain_progression:main"