Update example config

Signed-off-by: Ben Sherman <[email protected]>

Author: bentsherman

nextflow.config

@@ -8,6 +8,6 @@ params {
 
 prov {
     overwrite = true
-    file = "${params.outdir}"
+    file = "${params.outdir}/bco.json"
     format = 'bco'
 }