Update README.md

[weineran]

Fix formatting by changing to unordered list

Purpose

• The section of the README that describes tags was hard to read due to formatting
• I changed the formatting to use unordered list, which makes it much easier to read and understand.

Does this introduce a breaking change?

[ ] Yes
[x] No

Pull Request Type

What kind of change does this Pull Request introduce?

[ ] Bugfix
[ ] Feature
[ ] Code style update (formatting, local variables)
[ ] Refactoring (no functional changes, no api changes)
[x] Documentation content changes
[ ] Other... Please describe:

How to Test

N/A

What to Check

Verify that the README formatting looks OK

Other Information