CI, more source types, save as fits

Squashed commit of the following:

commit 0c5f09ce218dbe57574a9c4a17bf1675d5562e09 Author: Daniel Tang tang.d@hotmail.com Date: Sun Dec 18 09:47:40 2022 +1300

Add tmp/ to .gitignore

commit 0a06a913589b49ae5130865b1dea69f34be74bbc Author: Daniel Tang tang.d@hotmail.com Date: Sun Dec 18 09:45:01 2022 +1300

Rerun black and isort on seal.py

commit 84ef34bbd4d95d1e047515e53edd1844ed278cc3 Author: Daniel Tang tang.d@hotmail.com Date: Sun Dec 18 09:44:46 2022 +1300

Use explicit imports instead of 'import *'

commit 58047d818e22260de9156b146eeae258dfd29d8e Author: Daniel Tang tang.d@hotmail.com Date: Sun Dec 18 09:37:27 2022 +1300

Fix flake8 issues with seal.py

commit e5e3845706989a4fd5c0111349240bce32f91f36 Author: Daniel Tang tang.d@hotmail.com Date: Sun Dec 18 09:29:19 2022 +1300

Fix some refactor issues after running flake8.

commit caa72861810d75209cdb101a5666ceab9b5d3283 Author: Daniel Tang tang.d@hotmail.com Date: Sun Dec 18 09:21:15 2022 +1300

Run flake8 on calculation/localization.py

commit 5c8e6cbef3b353b0e2039791b1a4ef16349a13dc Author: Daniel Tang tang.d@hotmail.com Date: Sun Dec 18 09:06:45 2022 +1300

Run flake8 fixes on simulation/prior_fitting.py

commit f1eeb18fded63faa47b2e1d2cea63fbeccee2b59 Author: Daniel Tang tang.d@hotmail.com Date: Sun Dec 18 09:04:59 2022 +1300

Run flake8 fixes on simulation/generating_data.py

commit 4c402a6e89139852fce15b1c74e9840901da0937 Author: Daniel Tang tang.d@hotmail.com Date: Sun Dec 18 09:00:37 2022 +1300

Rerun isort and black with new settings.

commit 0c9e30941b381ea9bebeb5aa79d999310c08c744 Author: Daniel Tang tang.d@hotmail.com Date: Sun Dec 18 09:00:21 2022 +1300

Add pyproject.toml file to configure isort and black.

commit f907f9998ef6f7f469d214f6b5b48e5159a35d9f Author: Daniel Tang tang.d@hotmail.com Date: Sun Dec 18 08:59:49 2022 +1300

Add setup.cfg file to configure flake8 settings

commit 0afcbe4c945c5c460cca931228a8f3bf3ee68a26 Author: Daniel Tang tang.d@hotmail.com Date: Sun Dec 18 08:57:26 2022 +1300

Use setuptools instead of deprecated disttools

commit 236036c1804507cc41807451fa64d07966d232fd Author: Daniel Tang tang.d@hotmail.com Date: Sun Dec 18 08:57:14 2022 +1300

Ensure cython code adheres to line limits

commit d58918b46cbaafb5757adad68664a7d100f7c1b7 Author: Daniel Tang tang.d@hotmail.com Date: Sun Dec 18 08:54:35 2022 +1300

Ensure code and comments are within line length 88.

commit 72f08798498c2df7a8880d73a6ec8fb14e87c246 Author: Daniel Tang tang.d@hotmail.com Date: Sun Dec 18 08:45:31 2022 +1300

Run isort

commit 1b58809c0a22eeb09a4550bf34b25ebc0ade0a8c Author: Daniel Tang tang.d@hotmail.com Date: Sun Dec 18 08:45:18 2022 +1300

Run black formatter