Added Design Hub theme

data/themes.yml

@@ -9,6 +9,7 @@
 - { colors: '#193549,#254155,#FFE633,#254155,#205569,#FFFFFF,#FFE633,#FDC400', name: 'Cobalt2' }
 - { colors: '#282A36,#44475A,#44475A,#8BE9FD,#6272A4,#FFFFFF,#50FA7B,#FF5555', name: 'Dracula' }
 - { colors: '#3686BE,#215F8B,#7DB461,#FFFFFF,#2E3234,#FFFFFF,#7DB461,#215F8B', name: 'DigitalOcean' }
+- { colors: '#1B549E,#1B549E,#19C0E7,#FFFFFF,#19C0E7,#FFFFFF,#19C0E7,#FFFFFF', name: 'Design Hub' }
 - { colors: '#340027,#260024,#FF1962,#FFFFFF,#610047,#FFFFFF,#FF1962,#FF1962', name: 'Haunter' }
 - { colors: '#383643,#383643,#EB4864,#FFFFFF,#383643,#FFFFFF,#EB4864,#EB4864', name: 'Hibari' }
 - { colors: '#F8F8FA,#F8F8FA,#CAD1D9,#FFFFFF,#FFFFFF,#383F45,#60D156,#FF8669', name: 'Hoth' }