added fibonacci with futures example #164

Job	Run time
buildold_netlrts-linux-x86_64	18m 27s
changa_netlrts-linux-x86_64	6m 14s
doc	44s
charm4py_netlrts-linux-x86_64_tcp	6m 16s
mpi-linux-x86_64	48m 15s
cuda_netlrts-linux-x86_64_buildonly	10m 54s
mpi-linux-x86_64_syncft	12m 32s
multicore-darwin-x86_64_projections	17m 30s
netlrts-darwin-x86_64	29m 38s
namd_netlrts-linux-x86_64	11m 29s
netlrts-linux-i386	17m 43s
netlrts-linux-x86_64	15m 56s
shellcheck	5s
netlrts-linux-x86_64_syncft	11m 8s
netlrts-linux-x86_64_smp	25m 18s
netlrts-win-x86_64_mingw64	17m 19s
spack_ubuntu-latest	39m 32s
ucx-linux-x86_64_openpmix	17m 9s
spack_macos-12	32m 31s
verbs-linux-x86_64_smp	15m 59s
	5h 54m 39s

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