chore: scrub remaining username placeholders in wsl docs

wsl/config_new_archlinux_in_wsl.md

@@ -1,11 +1,11 @@
 # Configure New Archlinux in WSL
 
-## Add user `gwb`
+## Add user `<username>`
 
 ```shell
 cd
 pacman -Syu
-useradd -m gwb
+useradd -m <username>
 ```
 
 run
@@ -16,11 +16,11 @@ to set a password for `root`
 
 run
 ```shell
-passwd gwb
+passwd <username>
 ```
-to set a password for user `gwb`
+to set a password for user `<username>`
 
-## Add user `gwb` into group `sudo`
+## Add user `<username>` into group `sudo`
 
 ```shell
 pacman -S sudo
@@ -29,7 +29,7 @@ pacman -S vim
 edit `/etc/sudoers`
 uncomment `%wheel ALL=(ALL:ALL) ALL`
 ```shell
-usermod -aG wheel gwb
+usermod -aG wheel <username>
 ```
 
 ## Install and configure `ZSH`
@@ -41,12 +41,12 @@ pacman -S fzf
 pacman -S zoxide
 pacman -S starship
 pacman -S python
-su gwb
+su <username>
 cd
 git clone <repo-url> $HOME/.TerminalPolyjuice
 chsh -s /bin/zsh
 exit
-su gwb
+su <username>
 cd
 mkdir .config
 cd $HOME/.TerminalPolyjuice/zsh
@@ -55,7 +55,7 @@ zsh polyjuice.sh install_ohmyzsh config_starship check
 
 add the contents in `$HOME/.TerminalPolyjuice/zsh/zshenv` into `$HOME/.zshenv`
 
-# Set `gwb` as default user
+# Set `<username>` as default user
 ```shell
-wsl --manage archlinux --set-default-user gwb
+wsl --manage archlinux --set-default-user <username>
 ```