Include gota and Go Cheat Sheet

* gota is an implementation of dataframes in Go
* Go Cheat Sheet is a reference card of Go

README.md

@@ -217,6 +217,7 @@ Please take a quick gander at the [contribution guidelines](https://github.com/a
 * [boomfilters](https://github.com/tylertreat/BoomFilters) - Probabilistic data structures for processing continuous, unbounded streams
 * [count-min-log](https://github.com/seiflotfy/count-min-log) - A Go implementation Count-Min-Log sketch: Approximately counting with approximate counters (Like Count-Min sketch but using less memory).
 * [cuckoofilter](https://github.com/seiflotfy/cuckoofilter) - Cuckoo filter: a good alternative to a counting bloom filter implemented in Go.
+* [gota](https://github.com/kniren/gota/) - An implementation of dataframes, series, and data wrangling methods for Go.
 * [encoding](https://github.com/zhenjl/encoding) - Integer Compression Libraries for Go.
 * [go-adaptive-radix-tree](https://github.com/plar/go-adaptive-radix-tree) - A Go implementation of Adaptive Radix Tree.
 * [go-datastructures](https://github.com/Workiva/go-datastructures) - A collection of useful, performant, and thread-safe data structures
@@ -1461,6 +1462,7 @@ Where to discover new Go libraries.
 * [Building Go Web Applications and Microservices Using Gin](https://semaphoreci.com/community/tutorials/building-go-web-applications-and-microservices-using-gin) - Get familiar with Gin and find out how it can help you reduce boilerplate code and build a request handling pipeline.
 * [Go By Example](https://gobyexample.com/) - A hands-on introduction to Go using annotated example programs.
 * [Go database/sql tutorial](http://go-database-sql.org/) - Introduction to database/sql.
+* [Go Cheat Sheet](https://github.com/a8m/go-lang-cheat-sheet) - A Go's reference card.
 * [How to Use Godog for Behavior-driven Development in Go](https://semaphoreci.com/community/tutorials/how-to-use-godog-for-behavior-driven-development-in-go) - Get started with Godog — a Behavior-driven development framework for building and testing Go applications.
 * [Working with Go](https://github.com/mkaz/working-with-go) - An intro to go for experienced programmers.