atestmonkey arguments, irecord filename, adarkmode, handle installation errors, aurl -a, ilog

[IGPenguin]

⚠️ Progress checklist

• [x] 🏗 Features fully completed
• [x] 🔬 Shellcheck issues resolved
• [ ] 🔨 All changes tested
  • [x] abounds - on
  • [x] abounds - off
  • [x] adarkmode - on
  • [x] adarkmode - off
  • [x] atestmonkey
  • [x] atestmonkey <event-count>
  • [x] atestmonkey <event-count> <seed>
  • [x] ainstall - fail
  • [x] ainstall - success
  • [x] iinstall - fail
  • [x] iinstall - success
  • [x] aurl \<url>
  • [x] aurl -a \<url>
  • [x] ilog
  • [x] iconsole
  • [x] irecord - one device
  • [x] irecord - multiple devices
  • [x] irecord - video too short
• [x] 💬 Terminal output satisfactory
• [x] 👀 Diff examined thoroughly
• [x] 📝 API changes included in README.md
• [ ] 📣 Major changes listed in changelog.txt

[IGPenguin]

@vrbajiva some testing is required, see PR description 🙈 git fetch && git checkout feature/monkey-event-count