Add bur repo to build containers

.woodpecker.yml

@@ -13,6 +13,8 @@ pipeline:
   build:
     image: 'menci/archlinuxarm:base-devel'
     commands:
+      # Add my bur repo to pacman for the libxft-bgra dependency
+      echo '[bur]\nServer = https://arch.r8r.be/$repo/$arch\nSigLevel = Optional'
       # Update packages
       - pacman -Syu --noconfirm
       # Create non-root user to perform build & switch to their home