Add custom username handler to starship

Also add a .gitignore

.gitignore

@@ -0,0 +1,2 @@
+.idea/
+*.swp

fake_home/.config/starship.toml

@@ -1,7 +1,6 @@
 add_newline = true
 format = """
-[\\[sage\\]](bold red) \
-$username\
+${custom.username}\
 $hostname\
 $shlvl\
 $kubernetes\
@@ -50,7 +49,6 @@ $gcloud\
 $openstack\
 $env_var\
 $crystal\
-$custom\
 $line_break\
 $lua\
 $jobs\
@@ -106,3 +104,8 @@ discharging_symbol = " "
 
 [dotnet]
 format = 'via [$symbol($version) (◎ $tfm )]($style)'
+
+[custom.username]
+command = 'echo "[$(whoami | sed "s/vaillancourt//")]"'
+when = true
+style = 'bold red'