Update Vim configuration and use of wpa_passphrase

.vimrc

@@ -1,3 +0,0 @@
-syntax on
-colo desert
-filetype plugin indent on

README.md

@@ -6,7 +6,6 @@ yay -S spectrwm fish openssh rofi xorg xorg-server scrot xorg-xinit alacritty ra
 cp dotfiles/.xinitrc ~/
 cp dotfiles/.fehbg ~/
 cp dotfiles/.bash_profile ~/
-cp dotfiles/.vimrc ~/
 cp dotfiles/.tmux.conf ~/
 cp dotfiles/.gemrc ~/
 chmod +x ~/.fehbg
@@ -104,13 +103,15 @@ Some useful links to learn more:
 - https://wiki.archlinux.org/index.php/AMDGPU,
 - https://wiki.archlinux.org/index.php/Bumblebee.
 
-## Misc
+## Miscellaneous
 
 ### Generate a WPA-PSK for `netctl` Wi-Fi config files
 Copy the value of the `psk` key and paste it in the `netctl` config file and prefix it with `Key=\"`.
 
 ```
-wpa_passphrase <ssid> <password>
+wpa_passphrase <ssid>
+# reading passphrase from stdin
+<password>
 ```
 
 ### Configure git
@@ -119,6 +120,13 @@ git config --global user.name <username>
 git config --global user.email <e-mail>
 ```
 
+### Configure vim
+```
+echo "syntax on" | sudo tee -a /etc/vimrc
+echo "colo desert" | sudo tee -a /etc/vimrc
+echo "filetype plugin indent on" | sudo tee -a /etc/vimrc
+```
+
 ## Specific installations
 
 ### Docker