Added Work Items Based on The GStack

Used the GStack by Garry Tan [https://github.com/garrytan/gstackv] from Y Combinator to build a list of issues, improvements, features, fixes everyone can work on!

If you would like to contirbute, you can find it all at: https://github.com/KonstantinMB/exploreyc/issues

Have a productive day everyone!