create '.cache' folder in user homedir

bin/v-add-user

@@ -99,12 +99,14 @@ fi
 
 # Create default writeable folders
 mkdir $HOMEDIR/$user/.config \
+      $HOMEDIR/$user/.cache \
       $HOMEDIR/$user/.local \
       $HOMEDIR/$user/.composer \
       $HOMEDIR/$user/.ssh
 
 chown $user:$user \
       $HOMEDIR/$user/.config \
+      $HOMEDIR/$user/.cache \
       $HOMEDIR/$user/.local \
       $HOMEDIR/$user/.composer \
       $HOMEDIR/$user/.ssh