Updated Go2GenericsFeedback (markdown)
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## Supplemental (supporting with modifications)
+- Gustavo Bittencourt, "[Contracts only for Generic Types](https://gist.github.com/gbitten/9faf20886728d3750e106e352c31f0e9)", March 2019
+
- David Heuschmann, "[Problems With Using Parantheses for Type Argument Lists](https://gist.github.com/dddent/6e4a7490f80cb427c0e910ebca5c3468)", February 2019
- Gustavo Bittencourt, "[Contract with methods](https://gist.github.com/gbitten/6e17ef81be876d70f624c711f5a3b0e2)", February 2019