Add Python theme (#170)

data/themes.yml

@@ -205,5 +205,6 @@
 - { colors: '#065a8f,#267aaf,#7DB461,#FFFFFF,#2E3234,#FFFFFF,#7DB461,#215F8B', name: 'MetaFilter'}
 - { colors: '#000000,#000000,#355C7D,#ffffff,#222222,#ffffff,#b82601,#EFC000', name: 'newride.tech'}
 - { colors: '#2E3440,#3B4252,#88C0D0,#2E3440,#3B4252,#D8DEE9,#A3BE8C,#81A1C1', name: 'Nord'}
+- { colors: '#306998,#FFD43B,#FFD43B,#7F7F7F,#5A9FD4,#F4F4F4,#FFE873,#FFD43B', name: 'Python'}
 - { colors: '#2B1F32,#FFB86C,#E15D97,#FFFFFF,#4A1386,#FFFFFF,#35BA66,#0AACC5', name: 'Wild Cherry'}
 - { colors: '#389196,#C3C0AB,#9FCC3B,#008CB5,#C3C0AB,#FFFFFF,#D90F21,#D90f21', name: 'EMBL'}