in2p3: test singylarity mount bind config

src/nf_modules/kallisto/indexing.config

@@ -54,6 +54,7 @@ profiles {
     singularity.autoMounts = true
     process{
       withName: index_fasta {
+        beforeScript = "export SINGULARITY_BIND="/sps,/scratch:/var/singularity/mnt/""
         container = "/sps/lbmc/common/singularity/kallisto:0.44.0.img"
         scratch = true
         stageInMode = "copy"