v0.6.12

OMEinsum v0.6.12

Diff since v0.6.11

Closed issues:

• Obscure errors if type annotation is removed with Zygote (#45)
• use faster tensor contraction for CuArrays (BLAS number types) (#133)

Merged pull requests:

• time complex estimate Nan fix (#140) (@GiggleLiu)
• Fix adjoint cuarray dispatch (#141) (@GiggleLiu)