new lines at end of files

hosting/letsencrypt/certificate-renew.sh

@@ -10,4 +10,4 @@ if [[ ! -z "${CUSTOM_DOMAIN}" ]]; then
         --force-renewal
 
     nginx -s reload
-fi
+fi

hosting/single/runner.sh

@@ -21,4 +21,4 @@ popd
 sleep 10
 curl -X PUT ${COUCH_DB_URL}/_users
 curl -X PUT ${COUCH_DB_URL}/_replicator
-sleep infinity
+sleep infinity

scripts/cleanup.sh

@@ -13,4 +13,4 @@ do
   mv /$keepDir $dir/ 2>/dev/null
 done
 cd $dir
-NODE_ENV=production yarn
+NODE_ENV=production yarn