Add flake and fix config.toml

remove theme.toml

It appears you based the repo on a theme or something?

config.toml

@@ -1,12 +1,17 @@
-base_url = "https://getzola.github.io/book/"
+# The URL the site will be built for
+base_url = "https://bluespec.dev"
+
+# Whether to automatically compile all Sass files in the sass directory
 compile_sass = true
-title = "book theme"
-description = "A book theme"
+
+# Whether to build a search index to be used later on by a JavaScript library
 build_search_index = true
 
 [markdown]
+# Whether to do syntax highlighting
+# Theme can be customised by setting the `highlight_theme` variable to a theme supported by Zola
 highlight_code = true
 highlight_theme = "css"
 
 [extra]
-book_number_chapters = true
+# Put all your custom variables here