Refactor server: moved utils to under the main pacakge

server/utils/utils.go

@@ -1,30 +0,0 @@
-package utils
-
-import (
-	"crypto/rand"
-	"fmt"
-	"log"
-	"os"
-)
-
-// FileExists returns true if a file exists at the path
-func FileExists(path string) bool {
-	_, err := os.Stat(path)
-	if os.IsNotExist(err) {
-		return false
-	}
-	return err == nil
-}
-
-// CreateGUID returns a random GUID
-func CreateGUID() string {
-	b := make([]byte, 16)
-	_, err := rand.Read(b)
-	if err != nil {
-		log.Fatal(err)
-	}
-	uuid := fmt.Sprintf("%x-%x-%x-%x-%x",
-		b[0:4], b[4:6], b[6:8], b[8:10], b[10:])
-
-	return uuid
-}