[MM-19948] Set version on module file and internal paths (#13186)

* [MM-19948] Set version on module file and internal paths

* Fixes after merge

* Fix i18n checker error

model/client4_test.go

@@ -12,7 +12,7 @@ import (
 	"github.com/stretchr/testify/assert"
 )
 
-// https://github.com/mattermost/mattermost-server/issues/8205
+// https://github.com/mattermost/mattermost-server/v5/issues/8205
 func TestClient4CreatePost(t *testing.T) {
 	post := &Post{
 		Props: map[string]interface{}{