docs: use dark-mode logo in README (#3821)

Adds a light logo to header to appear in dark mode so it doesn't appear almost empty.
KaTeX · May 17, 2023 · 2bb338d · 2bb338d
1 parent 2453326
commit 2bb338d
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/README.md b/README.md
@@ -1,4 +1,10 @@
-# [<img src="https://katex.org/img/katex-logo-black.svg" width="130" alt="KaTeX">](https://katex.org/)
+<h1><a href="https://katex.org/">
+  <picture>
+    <source media="(prefers-color-scheme: dark)" srcset="https://katex.org/img/katex-logo.svg">
+    <img alt="KaTeX" width=130 src="https://katex.org/img/katex-logo-black.svg">
+  </picture>
+</a></h1>
+
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