add mnml/aoc to Go

2018.md

@@ -194,6 +194,7 @@ of Code] event.
 * [leononame/awesome-advent-of-code](https://github.com/leononame/awesome-advent-of-code) ![Last Commit on GitHub](https://img.shields.io/github/last-commit/leononame/awesome-advent-of-code.svg)
 * [stephenfeagin/Go-AdventOfCode](https://github.com/stephenfeagin/Go-AdventOfCode) ![Last Commit on GitHub](https://img.shields.io/github/last-commit/stephenfeagin/Go-AdventOfCode.svg)
 * [GreenLightning/aoc18](https://github.com/GreenLightning/aoc18) ![Last Commit on GitHub](https://img.shields.io/github/last-commit/GreenLightning/aoc18.svg)
+* [mnml/aoc]
 
 #### Groovy
 

2019.md

@@ -200,6 +200,7 @@ Read [CONTRIBUTING.md](/CONTRIBUTING.md) to learn how to add your own repos.
 * [williamfhe/advent-of-code-2019](https://github.com/williamfhe/advent-of-code-2019) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2019--12--22-green)
 * [mightymatth/advent-of-code-2019](https://github.com/mightymatth/advent-of-code-2019) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2020--01--02-brightgreen)
 * [stevotvr/adventofcode2019](https://github.com/stevotvr/adventofcode2019) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2019--12--29-brightgreen)
+* [mnml/aoc]
 
 #### Groovy
 

README.md

@@ -200,6 +200,7 @@ Read [CONTRIBUTING.md](/CONTRIBUTING.md) to learn how to add your own repos.
 * [nlowe/aoc2020](https://github.com/nlowe/aoc2020) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2020--12--01-orange)
 * [thlacroix/goadvent](https://github.com/thlacroix/goadvent) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2020--12--01-orange)
 * [dds/aoc2020](https://github.com/dds/aoc2020) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2020--12--01-orange)
+* [mnml/aoc]
 
 #### Groovy