scan: wolfictl inspired output presentation

[tstromberg]

I was inspired by the output of wolfictl scan. Here's an example of malcontents new scan output:

🔎 Scanning "/bin/ls"
🔎 Scanning "../bincapz-samples/typescript/2021.CursedGrabber.an0n-chat-lib/"
├── 📄 ../bincapz-samples/typescript/2021.CursedGrabber.an0n-chat-lib/build/stealer.js [CRITICAL]
│      🚨 persist/windows_start: Accesses Windows Start Menu
│      🚨 combo/stealer/browser: Uses HTTP, archives, and references multiple browsers
│      🚨 exfil/discord: Uses the Discord webhooks API
├── 📄 ../bincapz-samples/typescript/2021.CursedGrabber.an0n-chat-lib/src/stealer.ts [CRITICAL]
│      🚨 combo/stealer/browser: Uses HTTP, archives, and references multiple browsers
│      🚨 exfil/discord: Uses the Discord webhooks API
│      🚨 persist/windows_start: Accesses Windows Start Menu

💡 For detailed analysis, try "mal analyze <path>"