add .signularity_in2p3 folder to fix lock problem in nf

src/.singularity_in2p3/lbmc-kallisto-0.43.1.img**

src/.singularity_in2p3/lbmc-kallisto-0.44.0.img**

src/.singularity_in2p3/lbmc-macs2-2.1.2.img**

src/.singularity_in2p3/lbmc-multiqc-1.0.img**

src/.singularity_in2p3/lbmc-multiqc-1.7.img**

src/.singularity_in2p3/lbmc-music-6613c53.img**

src/.singularity_in2p3/lbmc-picard-2.18.11.img**

src/.singularity_in2p3/lbmc-pigz-2.4.img**

src/.singularity_in2p3/lbmc-r-3.5.3.img**

src/.singularity_in2p3/lbmc-rsem-1.3.0.img**

src/.singularity_in2p3/lbmc-salmon-0.8.2.img**

src/.singularity_in2p3/lbmc-sambamba-0.6.7.img**

src/.singularity_in2p3/lbmc-samblaster-0.1.24.img**

src/.singularity_in2p3/lbmc-samtools-1.7.img**

src/.singularity_in2p3/lbmc-sratoolkit-2.8.2.img**

src/.singularity_in2p3/lbmc-star-2.7.3a.img*

src/.singularity_in2p3/lbmc-subread-1.6.4.img**

src/.singularity_in2p3/lbmc-tophat-2.1.1.img**

src/.singularity_in2p3/lbmc-trimmomatic-0.36.img**

src/.singularity_in2p3/lbmc-ucsc-375.img**