v0.1.0

New features (and their corresponding examples):

• screen blooming effect - tests/blooming.py
• fast approximate anti-aliasing, FXAA - tests/fxaa.py
• image-based lighting, IBL - examples/ibl_matball.py
• screen space ambient occlusion, SSAO - tests/ssao.py
• screen space reflection, SSR - tests/ssr.py
• path tracing mode - docs/pathtrace.py

End users may install Tina from PyPI:

python3 -m pip install taichi-tina==0.1.0

I'll try to distribute the path tracing renderer as Blender addon in next week. Let me know if you have suggestions or questions.