feat: Add arguments to Pixi 'build' task (#112)

* Default to '--html' so the 'build-book' GitHub Actions job builds
  the correct form of the book with no further input.

Author: matthewfeickert

pixi.toml

@@ -32,7 +32,8 @@ cmd = "jupyter lab"
 
 [feature.book.tasks.build]
 description = "Build the Jupyter Book"
-cmd = "jupyter-book build"
+args = [{"arg" = "OPTION", "default" = "--html"}]
+cmd = "jupyter-book build {{ OPTION }}"
 cwd = "book"
 
 [feature.book.tasks.clean]