Fix malformed bullet points in GitHub Pages

Add blank line before bullet point list to ensure proper markdown
rendering. Without the blank line, the bullet points were rendered
as literal asterisks inside a paragraph instead of as a proper list.

Fixes #115

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: jerry-git

README.md

@@ -80,6 +80,7 @@ Each algorithm makes different tradeoffs, but generally `least_duration` should
 | least_duration | ❌                       | ✅                       | Better        | ✅                         |
 
 Explanation of the terms in the table:
+
 * Absolute Order: whether each group contains all tests between first and last element in the same order as the original list of tests
 * Relative Order: whether each test in each group has the same relative order to its neighbours in the group as in the original list of tests
 * Works with random ordering: whether the algorithm works with test-shuffling tools such as [`pytest-randomly`](https://github.com/pytest-dev/pytest-randomly)