touch sqlite file if it does not exist

server-ce/init_scripts/00_make_sharelatex_data_dirs.sh

@@ -20,5 +20,8 @@ chown www-data:www-data /var/lib/sharelatex/tmp/uploads
 mkdir -p /var/lib/sharelatex/tmp/dumpFolder
 chown www-data:www-data /var/lib/sharelatex/tmp/dumpFolder
 
+if [ ! -e "/var/lib/sharelatex/data/db.sqlite" ]; then
+       touch /var/lib/sharelatex/data/db.sqlite
+fi
 
-chown www-data:www-data /var/lib/sharelatex/data/db.sqlite
+chown www-data:www-data /var/lib/sharelatex/data/db.sqlite