Launcher color change propType added

[NaumanMoazzam]

Description

Launcher color can be changed by the user

Checklist

• [x ] Additions/changes follow the current code structure
• [ x] All changes are related to a single topic
• [ x] Demo tested (npm start) to ensure it still functions as expected, and/or
• [ x] New features are demonstrated to the demo (leave checkbox blank if not applicable)
• [ ] Readme/docs are updated
• [ x] npm run lint passes (npm run lint -- --fix will autofix where possible)