Add ewem runtime image for CVMFS publishing

Author: Surabhi Sachdev

docker_images.txt

@@ -449,6 +449,8 @@ containers.ligo.org/karl-wette/lalsuite-containers:7.26.2.15fff1bf87f1bf6b283aad
 containers.ligo.org/karl-wette/lalsuite-containers:7.26.2.e17f0a58054912da8a14a7f87505839783664e63.src-build1
 containers.ligo.org/rodrigo.tenorio/skyhough-post-processing:master
 containers.ligo.org/tessa.carver/pygrb_o3a:latest
+containers.ligo.org/surabhi.sachdev/ewem/runtime:latest
+containers.ligo.org/surabhi.sachdev/ewem/runtime:982d4fd734ca85bf6e6194ddc2af9a3010e7b37b
 atanasi/matlab:v97
 atanasi/darkmatter:latest
 lucarvirgo/tensorflowmatlab:latest