Frads

What's Changed
* Develop by taoning in https://github.com/LBNL-ETA/frads/pull/13
* fix(CI): github action run on push and PR on main by taoning in https://github.com/LBNL-ETA/frads/pull/14
* bump version 0.3.0 -> 0.3.1 by taoning in https://github.com/LBNL-ETA/frads/pull/15


**Full Changelog**: https://github.com/LBNL-ETA/frads/compare/v0.3.0...v0.3.1

What's Changed
* Add lighting objects to epjs and modify GlazingSystem class by TammieYu in https://github.com/LBNL-ETA/frads/pull/4
* Modified the workflow of adding cfs to epjs by TammieYu in https://github.com/LBNL-ETA/frads/pull/7
* Updated the workflow of adding cfs to epjs by TammieYu in https://github.com/LBNL-ETA/frads/pull/8
* Modify compute_solar_photopic_results function by TammieYu in https://github.com/LBNL-ETA/frads/pull/9
* Add get_datetime function by TammieYu in https://github.com/LBNL-ETA/frads/pull/10
* Develop by taoning in https://github.com/LBNL-ETA/frads/pull/12


**Full Changelog**: https://github.com/LBNL-ETA/frads/compare/0.2.9...v0.3.0

What's Changed
* Modified the workflow of adding cfs to epjs by TammieYu in https://github.com/LBNL-ETA/frads/pull/5
* Revert "Modified the workflow of adding cfs to epjs" by taoning in https://github.com/LBNL-ETA/frads/pull/6


**Full Changelog**: https://github.com/LBNL-ETA/frads/compare/0.2.8...0.2.9

New release includes gencolorsky, a new command-line program for generating colored sky

v0.2.2 release.