[DATALAD] Configure containerized environment 'mriqc'

.datalad/config

@@ -1,2 +1,5 @@
 [datalad "dataset"]
 	id = 6d1718b7-a000-48ea-b373-cb4d8262d0ba
+[datalad "containers.mriqc"]
+	image = .datalad/environments/mriqc/image
+	cmdexec = singularity run --cleanenv -B \"$PWD,/data/singularity/:/data/singularity/\" {img} {cmd}

.datalad/environments/mriqc/image

@@ -0,0 +1 @@
+../../../.git/annex/objects/vJ/WK/MD5E-s5254025247--f53b306a3d8f60580689c1dde9c3d7ad/MD5E-s5254025247--f53b306a3d8f60580689c1dde9c3d7ad