docs: add guidance for installing python

[bhumitra]

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Summary of Pull Request

Updated readme to help guide the user with Python installation along with the dependency modules.

Type of Pull Request

• [ ] This is a bug fix.
• [x] This is an enhancement or feature.
• [ ] This is a code style / formatting update.
• [ ] This is a documentation update.
• [ ] This is a refactoring update.
• [ ] This is something else. Please describe:

Related to Existing Issues

Resolves #27

Test and Documentation Coverage

• [x] Tests have been completed (for bug fixes / features).
• [x] Documentation has been added / updated (for bug fixes / features).

Breaking Changes

• [ ] Yes, there are breaking changes.
• [x] No, there are no breaking changes.