Add Ideal Gas Law for physics (#6503)

* add physics ideal gas law

* run pre commit

* Update physics/ideal_gas_law.py

Suggestion #1

Co-authored-by: Caeden <caedenperelliharris@gmail.com>

* Update physics/ideal_gas_law.py

Suggestion #2

Co-authored-by: Caeden <caedenperelliharris@gmail.com>

* run pre commit

* Update volume return line sugesstion

Co-authored-by: Caeden Perelli-Harris <caedenperelliharris@gmail.com>

* Add suggestions

* Apply suggestions from code review

Co-authored-by: Caeden Perelli-Harris <caedenperelliharris@gmail.com>

Co-authored-by: Caeden <caedenperelliharris@gmail.com>
Co-authored-by: Christian Clauss <cclauss@me.com>