Update readme for heat transfer example with new location and build i… #4124

Job	Run time
git_checks	5s
format	27s
linux_ubuntu (ubuntu20.04, gcc8, shared, mpich)	15m 12s
docker (ubuntu-bionic)	8m 30s
linux_ubuntu (ubuntu20.04, gcc9, shared, mpich)	17m 21s
CodeQL (cpp)	22m 25s
linux_el8 (el8, icc, mpich)	24m 46s
linux_ubuntu (ubuntu20.04, gcc10, shared, mpich)	18m 2s
linux_el8 (el8, oneapi, mpich)	22m 34s
linux_ubuntu (ubuntu20.04, gcc11, shared, mpich)	16m 0s
macos (macos11, serial)	29m 5s
linux_ubuntu (ubuntu20.04, clang6, shared, mpich)	11m 6s
windows (win2019, serial)	8m 34s
macos (macos12, serial)	4m 40s
windows (win2019, ompi)	12m 56s
linux_ubuntu (ubuntu20.04, clang10, shared, mpich)	13m 53s
windows (win2022, serial)	8m 42s
linux_ubuntu (ubuntu20.04, gcc8, ompi)	37m 49s
windows (win2022, ompi)	12m 46s
linux_ubuntu (ubuntu20.04, gcc8, serial)	10m 47s
linux_ubuntu (ubuntu20.04, clang6, ompi)	24m 11s
linux_ubuntu (ubuntu20.04, clang6, serial)	7m 44s
linux_ubuntu (ubuntu20.04, gcc8, static, ompi, build_only)	7m 50s
linux_ubuntu (ubuntu20.04, clang6, static, ompi, build_only)	4m 14s
linux_ubuntu (ubuntu20.04, gcc8, static, serial)	7m 53s
contract (examples)	2m 14s
contract (lammps)	4m 8s
contract (tau)	10m 41s
build_and_test	1s
	6h 4m 36s

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