Add a couple exampls for godoc

Signed-off-by: Matt Stratton <matt.stratton@gmail.com>

Author: mattstratton

cmd/config.go

@@ -28,7 +28,7 @@ var configCmd = &cobra.Command{
 		fmt.Println("Current Working Directory = ", pwd)
 		fmt.Println("DevOpsDays web directory = ", webdir)
 		color.Blue("Checking your config...")
-		checkHugo()
+		CheckHugo()
 		checkGit()
 	},
 }
@@ -38,7 +38,10 @@ func init() {
 
 }
 
-func checkHugo() {
+// CheckHugo tests whether or not a compatible version of the Hugo static site generator is instealled.
+//
+// Currently, the list of supported versions is hard-coded using the `supportedVersions` variable, but this should be moved elsewhere eventually.
+func CheckHugo() {
 	supportedVersions := map[string]bool{"0.36.1": true, "0.37": true, "0.37.1": true}
 	out, err := exec.Command("hugo", "version").Output()
 	if err != nil {

event/check_event_test.go

@@ -1,6 +1,7 @@
 package event
 
 import (
+	"fmt"
 	"testing"
 
 	. "github.com/smartystreets/goconvey/convey"
@@ -30,3 +31,12 @@ func TestCheckEvent(t *testing.T) {
 		})
 	})
 }
+
+func ExampleCheckEvent() {
+	city := "Ponyville"
+	year := "2017"
+	if CheckEvent(city, year) {
+		fmt.Println("This event already exists. If you would like to edit it, please run `devopsdays-cli edit event`")
+		return
+	}
+}