nvim: yolokai: Change MatchParen highlight

Purple is also used for some other groups, use of orange makes the
matching identifiers stand out.

nvim/.config/nvim/colors/yolokai.vim

@@ -158,7 +158,7 @@ local highlight_groups = {
 	--[[ 4.2.7. Searching]]
 	IncSearch  = {bg=NONE,  fg=NONE,   style='inverse'                 },
 	Search     = {bg=yellow,fg=black,  style={'underline', color=white}},
-	MatchParen = {bg=NONE,  fg=purple, style={'bold', 'underline'     }},
+	MatchParen = {bg=NONE,  fg=orange, style={'bold', 'underline'     }},
 
 	--[[ 4.2.8. Spelling]]
 	SpellBad   = {bg=NONE,  fg=NONE,  style={'undercurl', color=red   }},