fastqc: add singularity files

src/singularity_modules/fastqc/0.11.5/build.sh

+#/bin/sh
+sudo singularity build --force bin/fastqc:0.11.5.sif src/singularity_modules/fastqc/0.11.5/fastqc.def
+singularity sign bin/fastqc:0.11.5.sif

src/singularity_modules/fastqc/0.11.5/fastqc.def

+Bootstrap: docker
+From: ubuntu:18.04
+
+%labels
+MAINTAINER Laurent Modolo
+
+%post
+FASTQC_VERSION=0.11.5
+PACKAGES="fastqc=${FASTQC_VERSION}* \
+perl=5.26*"
+
+apt-get update && \
+apt-get install -y --no-install-recommends ${PACKAGES} && \
+apt-get clean
+
+%environment
+export FASTQC_VERSION=0.11.5
+export PACKAGES=fastqc=${FASTQC_VERSION}*
+
+%runscript
+exec /bin/bash "$@"