Preparation for sharing

- rustfmt
- clippy
- comments
- README

src/representations/mod.rs

@@ -1,15 +1,14 @@
 pub mod ast;
-// pub mod typed;
-pub mod literal;
 pub mod ast_to_postmacro;
-pub(crate) mod interpreted;
+pub mod interpreted;
+pub mod literal;
+pub mod location;
+pub mod path_set;
 pub mod postmacro;
 pub mod primitive;
-pub mod path_set;
 pub mod sourcefile;
 pub mod tree;
-pub mod location;
 pub use path_set::PathSet;
 pub use primitive::Primitive;
 pub mod postmacro_to_interpreted;
-pub use literal::Literal;
+pub use literal::Literal;