Add go.mod and update package location

README.md

@@ -1,12 +1,12 @@
-[![GoDoc](https://godoc.org/github.com/xdg/stringprep?status.svg)](https://godoc.org/github.com/xdg/stringprep)
-[![Build Status](https://travis-ci.org/xdg/stringprep.svg?branch=master)](https://travis-ci.org/xdg/stringprep)
+[![Go Reference](https://pkg.go.dev/badge/github.com/xdg-go/stringprep.svg)](https://pkg.go.dev/github.com/xdg-go/stringprep)
+[![Go Report Card](https://goreportcard.com/badge/github.com/xdg-go/stringprep)](https://goreportcard.com/report/github.com/xdg-go/stringprep)
 
 # stringprep – Go implementation of RFC-3454 stringprep and RFC-4013 SASLprep
 
 ## Synopsis
 
 ```
-    import "github.com/xdg/stringprep"
+    import "github.com/xdg-go/stringprep"
 
     prepped := stringprep.SASLprep.Prepare("TrustNô1")
 

go.mod

@@ -0,0 +1,5 @@
+module github.com/xdg-go/stringprep
+
+go 1.14
+
+require golang.org/x/text v0.3.5

go.sum

@@ -0,0 +1,3 @@
+golang.org/x/text v0.3.5 h1:i6eZZ+zk0SOf0xgBpEpPD18qWcJda6q1sxt3S0kzyUQ=
+golang.org/x/text v0.3.5/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=