chore: checkpoint before Python removal

vendor/h2/src/hpack/mod.rs

@@ -0,0 +1,12 @@
+mod decoder;
+mod encoder;
+pub(crate) mod header;
+pub(crate) mod huffman;
+mod table;
+
+#[cfg(test)]
+mod test;
+
+pub use self::decoder::{Decoder, DecoderError, NeedMore};
+pub use self::encoder::Encoder;
+pub use self::header::{BytesStr, Header};