feat(starship): add git user

Show git username in repositories in starship shell

starship/starship.toml

@@ -40,6 +40,7 @@ symbol = " "
 
 [cmd_duration]
 style = "bold purple"
+format = "took [󱎫 $duration]($style) "
 
 [dart]
 symbol = " "
@@ -107,3 +108,10 @@ symbol = " "
 
 [spack]
 symbol = "🅢 "
+
+[custom.git_user]
+command = "git config user.name"
+when = "git rev-parse --git-dir 2> /dev/null"
+format = "by [$symbol$output]($style) "
+style = "bright-yellow bold"
+symbol = " "