chore: add developer information for jvm, android, and python libraries

bdk-python/setup.py

@@ -27,6 +27,7 @@ setup(
     packages=["bdkpython"],
     package_dir={"bdkpython": "./src/bdkpython"},
     url="https://github.com/bitcoindevkit/bdk-ffi",
+    author="Bitcoin Dev Kit Developers <dev@bitcoindevkit.org>",
     license="MIT or Apache 2.0",
     # This is required to ensure the library name includes the python version, abi, and platform tags
     # See issue #350 for more information