updates doc #210

Job	Run time
Check file changes	19s
Test on Mac	8m 7s
Test Intel on ubuntu-20.04	56m 53s
Test on ubuntu-latest	2m 9s
Test on ubuntu-20.04	4m 48s
Test run example 0 - make tests	6m 58s
Test run example 1 - meshfem3D simple model	3m 59s
Test run example 3 - layered halfspace	3m 39s
Test run example 4 - small adjoint	3m 33s
Test run example 2 - fault tpv5	5m 43s
Test run example 5 - socal1D	3m 9s
Test run example 7 - socal1D 1d_prem	3m 16s
Test run example 6 - socal1D 1d_socal	3m 35s
Test run example 8 - socal1D 1d_cascadia	13m 8s
Test run example 10 - homogeneous halfspace	3m 4s
Test run example 11 - poroelastic	5m 47s
Test run example 12 - PML elastic	2m 54s
Test run example 14 - waterlayered halfspace	3m 50s
Test run example 15 - tomographic model	3m 27s
Test run example 13 - PML acoustic	2m 24s
Test run example 16 - cavity	2m 43s
Test run example 17 - sep bathymetry	3m 4s
Test run example 18 - socal1D hdf5 i/o	8m 32s
Test run example 19 - meshfem3D simple model w/ ADIOS2	6m 40s
Test run example 9 - coupling FK	3m 50s
	2h 45m 31s

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