use v2 tag

kevwan · kevwan · commit 58fb442d0889 · 2022-01-09T18:38:48.000+08:00
diff --git a/go.mod b/go.mod
@@ -1,4 +1,4 @@
-module github.com/kevwan/mapreduce
+module github.com/kevwan/mapreduce/v2
 
 go 1.18
 

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-module github.com/kevwan/mapreduce`
	`1`	`+module github.com/kevwan/mapreduce/v2`
`2`	`2`
`3`	`3`	`go 1.18`
`4`	`4`