Re-export shulkerbox module and update error message in transpiler

src/lib.rs

@@ -12,6 +12,8 @@
 #![warn(missing_docs, clippy::all, clippy::pedantic)]
 #![allow(clippy::missing_panics_doc, clippy::missing_const_for_fn)]
 
+pub use shulkerbox;
+
 pub mod base;
 pub mod lexical;
 pub mod syntax;

src/transpile/transpiler.rs

@@ -52,7 +52,7 @@ impl Transpiler {
     /// Transpiles the given program.
     ///
     /// # Errors
-    /// - [`TranspileError::MissingMainFunction`] If the main function is missing.
+    /// - [`TranspileError::MissingFunctionDeclaration`] If a called function is missing
     pub fn transpile(
         &mut self,
         program: &Program,