[doc] add working manifest for singularity

Document what we want in the manifest for singularity support.
22 jobs for singularity-manifest in 15 minutes and 34 seconds (queued for 1 second)
Status Job ID Name Coverage
  Style
passed #31350
integration
flake8

00:00:12

 
  Build
passed #31354
integration
buildAMG

00:00:17

passed #31358
integration
buildLAMMPS

00:00:04

passed #31356
integration
buildOpenMC

00:01:30

passed #31355
integration
buildQMCPack

00:00:15

passed #31357
integration
buildSTREAM

00:00:16

passed #31353
integration
containers

00:00:17

passed #31352
integration
libnrm

00:00:12

passed #31351
integration
nrm

00:00:14

 
  Test
passed #31365
rapl
py.test

00:01:16

passed #31361
integration
testHello

00:00:20

passed #31362
integration
testListen

00:00:28

passed #31363
integration performance
testPerfwrapper

00:01:11

passed #31364
knl
testPower

00:01:10

passed #31359
integration
testPwd

00:00:27

passed #31360
integration
testRun

00:00:30

 
  Applications
passed #31366
notknl integration
testAMG

00:00:24

passed #31370
notknl integration
testLAMMPS

00:09:50

passed #31368
notknl integration
testOpenMC

00:00:40

passed #31369
notknl integration
testQMCPack

00:00:29

passed #31367
notknl integration
testSTREAM

00:00:20

 
  Quality
passed #31371
integration
repoquality

00:00:19