Update Turing to v0.34 (#513)

* Update Turing to v0.34

* Add more Quarto build artifacts to gitignore

* Separate developers>contributing into its own section

* Update contributing guide

* Apply suggestions from code review

Co-authored-by: Markus Hauru <[email protected]>

* en dash

---------

Co-authored-by: Markus Hauru <[email protected]>

Author: penelopeysm

.gitignore

@@ -23,3 +23,6 @@ versions.qmd
 tmp.gif
 .venv
 venv
+
+404.html
+site_libs