MatrixAlgebraKit decompositions #776

Job	Run time
Julia 1 - macOS-latest -	8m 28s
Julia 1 - ubuntu-latest -	1s
Julia lts - ubuntu-latest -	13m 17s
Julia lts - windows-latest -	9m 36s
Julia 1 - windows-latest -	5m 36s
Julia lts - macOS-latest -	8m 38s
Julia nightly - ${{ matrix.os }} - ${{ matrix.arch }}	1s
	45m 37s

Provide feedback