fix(docs): nuschtosSearch was broken

Fixed it and pulled in the PR. also did some tidying up of the docs.

docs/book.toml

@@ -5,6 +5,12 @@ multilingual = false
 src = "src"
 title = "Jalil's NixOS configuration modules"
 
+[build]
+create-missing = false
+
 [preprocessor.toc]
 command = "mdbook-toc"
 renderer = ["html"]
+
+[output.html]
+git-repository-url = "https://github.com/jalil-salame/configuration.nix"