Enable multilib for gaming

configs.yml

@@ -493,6 +493,13 @@ powershell:
         condition: arch
 
 gaming:
+    - run:
+        command: sudo cp /etc/pacman.conf /etc/pacman.conf.backup
+        condition: "[ ! -e /etc/pacman.conf.backup ]"
+    - run:
+        - LINESTART=$(grep -n multilib /etc/pacman.conf | cut -d: -f1 | head -n1);
+          LINEEND=$((LINESTART+1));
+          sudo sed -i "${LINESTART},${LINEEND} s/^#//" /etc/pacman.conf
     - install:
         - wine-staging
         - winetricks