feat(uplc): add Case and Const terms

- parsering
- interning
- flat encoding and decoding
- pretty printing
- debruijn conversion

Co-authored-by: Lucas Rosa <x@rvcas.dev>

crates/flat-rs/src/decode/decoder.rs

@@ -171,7 +171,7 @@ impl<'b> Decoder<'b> {
     /// Otherwise we decode an item in the list with the decoder function passed in.
     /// Then decode the next bit in the buffer and repeat above.
     /// Returns a list of items decoded with the decoder function.
-    pub fn decode_list_with<T: Decode<'b>, F>(&mut self, decoder_func: F) -> Result<Vec<T>, Error>
+    pub fn decode_list_with<T, F>(&mut self, decoder_func: F) -> Result<Vec<T>, Error>
     where
         F: Copy + FnOnce(&mut Decoder) -> Result<T, Error>,
     {

crates/flat-rs/src/encode/encoder.rs

@@ -196,10 +196,7 @@ impl Encoder {
         &mut self,
         list: &[T],
         encoder_func: for<'r> fn(&T, &'r mut Encoder) -> Result<(), Error>,
-    ) -> Result<&mut Self, Error>
-    where
-        T: Encode,
-    {
+    ) -> Result<&mut Self, Error> {
         for item in list {
             self.one();
             encoder_func(item, self)?;