`IsingBimodule` for testing multifusion category within TensorKit #686

Job	Run time
Julia lts - ubuntu-latest -	2m 21s
Julia 1 - ubuntu-latest -	2m 21s
Julia lts - macOS-latest -	2m 15s
Julia 1 - windows-latest -	2m 13s
Julia lts - windows-latest -	2m 9s
Julia 1 - macOS-latest -	2m 7s
Julia nightly - ${{ matrix.os }} - ${{ matrix.arch }}	1s
	13m 27s

Provide feedback