Adds link to blog post for hamilton

[elijahbenizzy]

We should link out to the blog post we just released!

Additions

• N/A

Removals

• N/A

Changes

• Adds link to the README for the blog post

Testing

1. Note necessary

Screenshots

If applicable

Notes

• Very small change

Todos

Checklist

• PR has an informative and human-readable title
• Changes are limited to a single goal (no scope creep)
• Code can be automatically merged (no conflicts)
• Code follows the standards laid out in the TODO link to standards
• Passes all existing automated tests
• Any change in functionality is tested
• New functions are documented (with a description, list of inputs, and expected output)
• Placeholder code is flagged / future todos are captured in comments
• Project documentation has been updated (including the "Unreleased" section of the CHANGELOG)
• Reviewers requested with the Reviewers tool ➡️

Testing checklist

Python

• python 3.6
• python 3.7