MOLE.jl: add workflows for unit tests, documentation, and formatter

[valeriabarra]

What type of PR is this? (check all applicable)

• Refactor
• Feature
• Bug Fix
• Optimization
• Example
• Documentation
• CI/CD
• Style

Description

Related Issues & Documents

• I have created an Issue that is paired with this PR
• Closes Add Julia test, documentation, and formatter .yml files for GHA #354

Added/updated tests?

_We encourage you to test all code included with MOLE, including examples.

• Yes
• No, and this is why: N/A
• I need help with writing tests

Read Contributing Guide and Code of Conduct

• 📖 I have read the MOLE Contributing Guide: https://github.com/csrc-sdsu/mole/blob/main/CONTRIBUTING.md
• 📖 I have read the MOLE Code of Conduct: https://github.com/csrc-sdsu/mole/blob/main/CODE_OF_CONDUCT.md

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[valeriabarra]

The new JuliaFormatter GHA fails (as expected). I will run the formatter and apply the recommended style changes in a follow-up PR

[cpaolini]

I reviewed the five files: julia-docs.yml, julia-formatter.yml, julia-tests.yml, .JuliaFormatter.toml, and .readthedocs-julia.yaml.