chore: update starship prompt nerdfont icon

starship/.config/starship/starship.toml

@@ -20,7 +20,7 @@ symbol = " "
 symbol = " "
 
 [directory]
-read_only = " "
+read_only = " 󱪧"
 
 [docker_context]
 symbol = " "
@@ -50,10 +50,10 @@ symbol = " "
 symbol = " "
 
 [memory_usage]
-symbol = " "
+symbol = "󰍛 "
 
 [nim]
-symbol = " "
+symbol = " "
 
 [nix_shell]
 symbol = " "
@@ -62,7 +62,7 @@ symbol = " "
 symbol = " "
 
 [package]
-symbol = " "
+symbol = " "
 
 [python]
 symbol = " "