Add the dependencies on PyPI `cmake` and `ninja` packages only
if they are not available, in order to facilitate using the system
tools.  This avoids unnecessarily installing third-party binaries,
and improves portability by permitting users to use downstream-patched
CMake.

* add option for enabling vulkan in setup.py
* load winograd type options for pybind.
* enable the usage of humbletim/install-vulkan-sdk in ci
* vulkan-loader with release build
* python setup.py install --vulkan=on
* moltenVK for x86_64 macos
* remove universal2  temporarily

* use full date for pypi package

* split version date string only for dylib

* update release ci

* find modern glslang

* parallel jobs on windows

* release python

* fix twine upload only push tags, fix linux bdist_wheel so path error

* fix long_description_content_type

* remove log print

* set cibuildwheel version 1.6.3

* add pyproject.toml

* set release python only on push tag

* add ci build python 2.7

* remove python2.7; update readme.md