Update to torchserve 0.5.0

Update to v0.5, adding support for encrypted model serving (not tested). Update streamlit to v1+

What's Changed

• Improvements of package setup logic by @FlorianMF in #5
• WIP: Add type annotations by @FlorianMF in #7
• Update to 0.5.0 by @cceyda in #15

New Contributors

• @FlorianMF made their first contribution in #5

Full Changelog: v0.4.0...v0.5.0