message: fix: add periods to list items
diff: @@ -80,10 +80,10 @@ Note that [`cargo new`] and [`cargo init`] impose some additional restrictions o
  the package name, such as enforcing that it is a valid Rust identifier and not
  a keyword. [crates.io] imposes even more restrictions, such as:
  -- Only ASCII characters are allowed
  -- Do not use reserved names
  -- Do not use special Windows name such as "nul"
  -- Use a maximum of 64 characters of length
  +- Only ASCII characters are allowed.
  +- Do not use reserved names.
  +- Do not use special Windows name such as "nul".
  +- Use a maximum of 64 characters of length.
  [alphanumeric]: ../../std/primitive.char.html#method.is_alphanumeric
  