Add new category "Command-Line Tool"

ISSUE_TEMPLATE

@@ -16,6 +16,7 @@ Thanks for contributing! Tutorial in this list should provide a guided path for
 * [ ] BitTorrent Client
 * [ ] Blockchain / Cryptocurrency
 * [ ] Bot
+* [ ] Command-Line Tool
 * [ ] Database
 * [ ] Docker
 * [ ] Emulator