Add the binary back in because we need it for generating jaeger traces.

src/main.rs

@@ -0,0 +1,17 @@
+#![feature(round_char_boundary)]
+use crate::init_tracing::init_telemetry;
+use crate::init_tracing::shutdown_telemetry;
+use crate::parser::document;
+mod init_tracing;
+mod parser;
+
+const TEST_DOC: &'static str = include_str!("../toy_language.txt");
+
+fn main() -> Result<(), Box<dyn std::error::Error>> {
+    init_telemetry()?;
+    let parsed = document(TEST_DOC);
+    println!("{}\n\n\n", TEST_DOC);
+    println!("{:#?}", parsed);
+    shutdown_telemetry()?;
+    Ok(())
+}