Move methods from graphix and add Aer methods

[d1ssk]

Before submitting, please check the following:

• Make sure you have tests for the new code and that test passes (run pytest)
• format added code and tests by black -l 120 <filename>
• If applicable, add a line to the [unreleased] part of CHANGELOG.md, following keep-a-changelog.

Then, please fill in below:

Context (if applicable):
We need to organize methods with graphix/PatternRunner and add methods for Aer simulation.

Description of the change:
Add Aer simulation method. Move some methods from graphix/PatternRunner

Related issue:
#6

also see that checks (github actions) pass.
If lint check keeps failing, try installing black==22.8.0 as behavior seems to vary across versions.