feat: add daletl types to rust lib

libs/rust/src/lib.rs

@@ -0,0 +1,4 @@
+mod types;
+
+#[cfg(feature = "types")]
+pub use types::*;

libs/rust/src/main.rs

@@ -0,0 +1,6 @@
+use dalet::{Argument, Body, Tag};
+
+fn main() {
+    let _ = Tag::new(1, Body::Text("I am Heading".to_string()), Argument::Null);
+    println!("Hello, world!");
+}

libs/rust/src/types.rs

@@ -0,0 +1,28 @@
+use serde::{Deserialize, Serialize};
+
+#[derive(Serialize, Deserialize, Debug)]
+pub struct Tag {
+    id: i8,
+    body: Body,
+    argument: Argument,
+}
+
+impl Tag {
+    pub fn new(id: i8, body: Body, argument: Argument) -> Tag {
+        Tag { id, body, argument }
+    }
+}
+
+#[derive(Serialize, Deserialize, Debug)]
+pub enum Body {
+    Text(String),
+    Tag(Box<Tag>),
+    Null,
+}
+
+#[derive(Serialize, Deserialize, Debug)]
+pub enum Argument {
+    Text(String),
+    Number(i8),
+    Null,
+}