Spmat

What's Changed
* [FORENG-4387] constrain Cython version to exclude known-buggy version 3.0.4 by k-simpson in https://github.com/ihmeuw-msca/spmat/pull/16

New Contributors
* k-simpson made their first contribution in https://github.com/ihmeuw-msca/spmat/pull/16

**Full Changelog**: https://github.com/ihmeuw-msca/spmat/compare/v0.0.9...v0.0.10

**Full Changelog**: https://github.com/ihmeuw-msca/spmat/compare/v0.0.8...v0.0.9

What's Changed
* Add `diag` and `invdiag` function by zhengp0 in https://github.com/ihmeuw-msca/spmat/pull/14


**Full Changelog**: https://github.com/ihmeuw-msca/spmat/compare/v0.0.7...v0.0.8

Adding MANIFEST.in for installation error

remove building wheels for windows and linux due to errors

* Add `BILMat`
* Update `BDLMat`
* All block operations are now implemented in the Cython module