docs: Point navbar to mkdocstrings docs

Author: pawamoy

mkdocs.yml

@@ -18,7 +18,7 @@ nav:
   - Contributing: contributing.md
   - Code of Conduct: code_of_conduct.md
   - Coverage report: coverage.md
-- Author's website: https://pawamoy.github.io/
+- mkdocstrings: https://mkdocstrings.github.io/
 
 theme:
   name: material