Merge pull request #226 from linuxserver/universal-docker-in-docker-apt

Standardize apt-get, update formatting

root/etc/cont-init.d/95-apt-get

@@ -0,0 +1,5 @@
+#!/usr/bin/with-contenv bash
+
+if [ -f /usr/bin/apt ]; then
+    apt-get update
+fi

root/etc/cont-init.d/98-docker-in-docker

@@ -7,7 +7,6 @@ chown -R ${ABC_USER}:${ABC_USER} /config/logs
 echo "**** installing docker and docker compose ****"
 if [ -f /usr/bin/apt ]; then
     DISTRONAME="ubuntu"
-  apt-get update && \
     apt-get install -y \
         btrfs-progs \
         ca-certificates \