feat: add parse example

examples/parse.rs

@@ -0,0 +1,30 @@
+//! ```bash
+//! cargo run --example parse '* hello\n** /world/!'
+//! ```
+
+use orgize::Org;
+use rowan::ast::AstNode;
+use std::env::args;
+use tracing_subscriber::fmt::format::FmtSpan;
+
+fn main() {
+    let args: Vec<_> = args().collect();
+
+    tracing_subscriber::fmt()
+        .without_time()
+        .with_file(true)
+        .with_span_events(FmtSpan::NEW)
+        .with_line_number(true)
+        .with_max_level(tracing::Level::TRACE)
+        .with_file(false)
+        .with_line_number(false)
+        .init();
+
+    if args.len() < 2 {
+        eprintln!("Usage: {} <org-mode-string>", args[0]);
+    } else {
+        let s = &args[1].replace(r#"\n"#, "\n").replace(r#"\r"#, "\r");
+        let org = Org::parse(&s);
+        println!("{:#?}", org.document().syntax());
+    }
+}