- remove unnecessary nix packages add them - ncdu, alacritty

+ bash aliases file
+ spacevim
+ username formatting for starship terminal

.config/starship.toml

@@ -1,5 +1,6 @@
 format = """
 $jobs\
+$username\
 $character\
 """
 
@@ -54,3 +55,10 @@ stashed = ""
 format = "[$hostname]($style)"
 ssh_only = true
 style = "150"
+
+[username]
+style_user = 'white bold'
+style_root = 'black bold'
+format = '[$user]($style) '
+disabled = false
+show_always = true