Add workflow dispatch options to GH Actions

update setup.py

Bump version number in `setup.py` for release

Merge pull request #55 from WMD-group/youngwonwoo-DFTexample

PyTASER DFT Workflow change in MAPI example

Repo polish 🧽

Merge pull request #50 from LucasGVerga/main

Changed np.arange to np.linspace for the generation of egrid inside o…

Remove hidden `nblink` for docs to build

Merge branch 'scissor_update'

Merge pull request #49 from WMD-group/scissor_update

Version `2.1.0`

Merge pull request #47 from WMD-group/pre_joss

minor doc edits pre-joss