add mod file (bradfitz#94)

urandom2 · bradfitz · commit 551aad21a668 · 2019-03-29T10:39:43.000-07:00
- [go modules](https://github.com/golang/go/wiki/Modules) will be enabled in 1.13. - after merge it would be nice if you would tag this repo: e.g. `v1.0.0` - this will allow consumers something more consistent and readable than `v0.0.0-20181229203832-0af3f3b09a0a`.
diff --git a/go.mod b/go.mod
@@ -0,0 +1,3 @@
+module github.com/bradfitz/gomemcache
+
+go 1.12

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,3 @@`
	`1`	`+module github.com/bradfitz/gomemcache`
	`2`	`+`
	`3`	`+go 1.12`