New Features:
- Upgrade handlebars to version 5.1 to support chained else expression by @SuperTux88 in #162
- Append new/unknown packages from included files by @SuperTux88 in #165
- Adding global settings section, and a flag to use symlinks by default by @ducks in #173
Other Improvements:
- Indicate required Rust version by @ISSOtm in #156
- Minor cleanup, resolve some Clippy lints by @Diomendius in #155
- Update dependencies