feat: Initial draft of encoding module

src/lib.rs

@@ -1,12 +1 @@
-#[allow(dead_code)]
-fn main() {
-    println!("Hello, world!");
-}
-
-#[cfg(test)]
-mod tests {
-    #[test]
-    fn it_works() {
-        assert_eq!(2 + 2, 4);
-    }
-}
+mod encoding;