Add installation of 32-bit libs and Steam Brew script

Install `libssl-dev:i386` for 32-bit compatibility and add a script to set up Steam Brew. These changes support better gaming functionality and system setup.

03-install.sh

@@ -21,6 +21,9 @@ aptitude install mesa-vulkan-drivers
 # Install unstable-Packages
 aptitude install gamescope openrgb
 
+# Install 32bit-Packages
+sudo apt install libssl-dev:i386
+
 sudo systemctl enable apparmor
 sudo systemctl start apparmor
 
@@ -113,3 +116,6 @@ sudo auto-cpufreq --install
 
 # heroic games launcher
 sudo deb-get install heroic
+
+# steam homebrew - Millenium
+curl -fsSL "https://steambrew.app/install.sh" | bash