chore(readme): updated logos (#1294)

Author: CorentinTh

.github/logo-dark.png

@@ -1,4 +1,8 @@
-![logo](.github/logo.png)
+<picture>
+    <source srcset="./.github/logo-dark.png" media="(prefers-color-scheme: light)">
+    <source srcset="./.github/logo-white.png" media="(prefers-color-scheme: dark)">
+    <img src="./.github/logo-dark.png" alt="logo">
+</picture>
 
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