Add semantic HTML5 references

README.md

@@ -169,3 +169,13 @@ This block is for the site footer that appears at the end of every pages.
 
 The default footer block displays the [footer.html](layouts/partials/footer.html)
 partial.
+
+## References
+
+### HTML5 Semantics
+
+- [Semantic HTML](https://internetingishard.com/html-and-css/semantic-html/)
+- [HTML5 Semantic Elements](https://guide.freecodecamp.org/html/html5-semantic-elements/)
+- [A Look Into Proper HTML5 Semantics](https://www.hongkiat.com/blog/html-5-semantics/amp/)
+- [HTML5 Semantic Tags: What Are They & How To Use Them! - SEMrush](https://www.semrush.com/blog/semantic-html5-guide/)
+