Uhabits-converter

1. rename param db -> inputdb
2. handle edgecases for input and output files
1. input is same as output
2. select input interactively (if .db files exist in current working directory (cwd))
3. shorten all prompts
4. add integration test

Bugfixes
1. https://github.com/ConorSheehan1/uhabits_converter/issues/6 KeyError: 'Id'

SHA256 checksums
- d43c4fe1f15a24e2955ae839a307f8c5085073346a7e82ffd7ab2952e4a117b8 dist/uhabits_converter.tar.gz
- 313bf7bdf00f52e10cfdcaf602ecbf3197b41a91491447ecc14027a69debbadd dist/uhabits_converter-py3-none-any.whl

SHA256 checksums
- c7f5dcb2ff7911723b9f1c4fadad67542ae151b579e3b655d0be00b40a762f6d dist/uhabits_converter.tar.gz
- 3de31de80acd6511d2055071cb6a7582fd4ef9859c8b9ee247affcd92219ccfe dist/uhabits_converter-py3-none-any.whl