First Note

This is a small article to verify that leowajda.github.io can render inline math like $e^{i\pi} + 1 = 0$ and block math:

\[\sum_{k=1}^{n} k = \frac{n(n + 1)}{2}\]

It also renders code blocks with the shared copy button:

const greeting = "hello world"
console.log(greeting)