add hardware acceleration and firewall

arch.md

@@ -5,6 +5,8 @@
 - [Arch with Gnome](#arch-with-gnome)
   - [Installation](#installation)
   - [Post Install](#post-install)
+    - [Hardware Acceleration](#hardware-acceleration)
+    - [Firewall](#firewall)
     - [Power Management](#power-management)
     - [TPM2 LUKS Decryption](#tpm2-luks-decryption)
     - [Fingerprint Reader Support](#fingerprint-reader-support)
@@ -128,6 +130,30 @@ Set up locale with correct information (required for certain binaries like minec
 
 2. `sudo locale-gen`
 
+### Hardware Acceleration
+
+(This helps enable hardware encoding/decoding for steam streaming)
+
+Intel
+
+```bash
+sudo pacman -S libva-utils intel-media-driver
+vainfo
+```
+
+AMD
+
+```bash
+sudo pacman -S libva-utils libva-mesa-driver mesa-vdpau
+```
+
+### Firewall
+
+```bash
+sudo pacman -S ufw
+sudo ufw enable
+```
+
 ### Power Management
 
 1. For laptops install `tlp`