Add instructions for saving and loading extensions

arch.md

@@ -5,6 +5,7 @@
 - [Arch with Gnome](#arch-with-gnome)
   - [Installation](#installation)
   - [Post Install](#post-install)
+    - [Locale](#locale)
     - [Hardware Acceleration](#hardware-acceleration)
     - [Firewall](#firewall)
     - [Power Management](#power-management)
@@ -21,13 +22,12 @@
     - [XWayland](#xwayland)
     - [Wireguard](#wireguard)
     - [btrbk](#btrbk)
+    - [VSCode](#vscode)
+  - [Apps](#apps)
   - [Bashrc](#bashrc)
   - [Help](#help)
     - [Update Grub](#update-grub)
     - [Downgrading Kernel](#downgrading-kernel)
-  - [Packages](#packages)
-    - [Official](#official)
-    - [AUR](#aur)
 
 <!-- /TOC -->
 
@@ -493,6 +493,23 @@ For the open source version of code install `code`:
 sudo pacman -S code
 ```
 
+For the proprietary version of vscode install `yay` and then:
+
+```bash
+yay -S visual-studio-code-bin
+```
+
+To save a list of installed extensions run:
+
+```bash
+code --list-extensions >> vscode_extensions.txt
+```
+
+To install that list of extensions run:
+
+```bash
+cat vscode_extensions.txt | xargs -L 1 code --install-extension
+```
 
 ## Apps