Merge #529: docs: Add Bitreq to crate listing

4a63a01 docs: Add bitreq to crate listing (airton)

Pull request description:

  Add Bitreq to crate listing on Corepc readme.

ACKs for top commit:
  jamillambert:
    ACK 4a63a01
  tcharding:
    ACK 4a63a01

Tree-SHA512: f100aefe8b26f821c9a41a9bf9efb63e1d5d85836b64d08fa54cc231ff05d808a42a06d16a5e4b37db7a677ac926e1059435f4281f38f096603b8ebc974a6d3f

Author: tcharding

README.md

@@ -24,6 +24,7 @@ integration testing.
 
 ## Crate/directory listing
 
+- `bitreq/`: [`bitreq`](https://crates.io/crates/bitreq): Simple, minimal-dependency HTTP client, with optional features for proxies, async, and https.
 - `client/`: [`corepc-client`](https://crates.io/crates/corepc-client): A blocking JSON-RPC client used to test `corepc-types`.
 - `contrib/`: Contains scripts including one to run local regtest `bitcoind` nodes using versions specified in the config file. A template config file and bitcoind aliases are in the subdirectory `templates/`
 - `integration_test/`: Integration tests that use `corepc-client` and `corepc-node` to test `corepc-types`.