I guess I need to flesh out cargo.toml even more

Cargo.toml

 authors = ["Dylan Baker"]
 description = "A feature-poor static site generator"
 license = "MIT"
+readme = "README.md"
+repository = "https://git.sr.ht/~simulacrumparty/casaubon"
+keywords = ["static site generator", "markdown", "html"]
 
 [dependencies]
 clap = "2.32.0"