Add all2all function and tests #5

Job	Run time
build (serial, gcc, g++, 17, -DKokkos_ENABLE_SERIAL=ON, -DCMAKE_CXX_FLAGS="-Wall -Wextra" -DCMAKE...	12m 33s
build (rocm, rocm, hipcc, 20, -DKokkos_ENABLE_HIP=ON -DKokkos_ARCH_AMD_GFX90A=ON, -DCMAKE_CXX_FLA...	24m 20s
build (threads, gcc, g++, 20, -DKokkos_ENABLE_THREADS=ON, -DCMAKE_CXX_FLAGS="-Wall -Wextra" -DCMA...	11m 52s
build (hip, rocm, hipcc, 17, -DKokkos_ENABLE_HIP=ON -DKokkos_ARCH_AMD_GFX90A=ON -DKokkos_ENABLE_T...	19m 46s
build (cuda, nvcc, g++, 20, -DKokkos_ENABLE_CUDA=ON -DKokkos_ARCH_AMPERE80=ON -DKokkos_ENABLE_OPE...	19m 21s
build (clang-tidy, clang, clang++, 17, -DKokkos_ENABLE_SERIAL=ON, -DCMAKE_CXX_FLAGS="-Wall -Wextr...	7m 1s
build (hip, rocm, hipcc, 17, -DKokkos_ENABLE_HIP=ON -DKokkos_ARCH_AMD_GFX90A=ON -DKokkos_ENABLE_T...	16m 39s
build (rocm, rocm, hipcc, 20, -DKokkos_ENABLE_HIP=ON -DKokkos_ARCH_AMD_GFX90A=ON, -DCMAKE_CXX_FLA...	20m 18s
build (cuda, nvcc, g++, 20, -DKokkos_ENABLE_CUDA=ON -DKokkos_ARCH_AMPERE80=ON -DKokkos_ENABLE_OPE...	19m 12s
build (openmp, gcc, g++, 17, -DKokkos_ENABLE_OPENMP=ON -DKokkos_ENABLE_SERIAL=ON, -DCMAKE_CXX_FLA...	9m 9s
spell check with typos	5s
test (serial, gcc, ubuntu-latest, false)	4m 14s
test (openmp, gcc, ubuntu-latest, false)	7m 58s
test (threads, gcc, ubuntu-latest, false)	4m 20s
	2h 56m 48s

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