Fix heading level in README
Begin development of version 0.4.0
Display role members in HTML output again, collapsed by default
Support Discord role colors, use in HTML output
Tweak role count in HTML template
Begin development of version 0.3.0
Extend README, document usage
Replace subcommands with options to simplify user interface
Add GitHub action to build project
Remove late initialization of writer
Extract function to fetch roles
Fix singular not being used for single team, member
Update toml to v0.5.9 (from v0.5.8)
Update Tera to v1.16.0 (from v1.15.0)
Update clap to v3.2.8 (from v3.0.7)
Update Rust to v1.62.0 (from v1.58)
Begin development of version 0.2.0