Merge pull request #11 from codelif/master

lang/go: add go concurrency patterns

Author: SohamKukreti

src/lang/go.md

@@ -4,3 +4,4 @@
 * [Learn Go](https://learn.go.dev)
 * [Gophercises](https://gophercises.com/)
 * [Books for Golang](https://github.com/dariubs/GoBooks)
+* [Talk: Go Concurrency Patterns by Rob Pike](https://go.dev/talks/2012/concurrency.slide)