Rename module to sneak.berlin/go/x and rework bip39wordlist

Move to Go 1.26, embed the wordlist from english.txt, add
ValidateWordlist, NormalizeWordlist, and GenerateMnemonic with tests,
and remove the old root-level CLI that used the previous module path.

cmd/generate.go

@@ -1,14 +0,0 @@
-package cmd
-
-import (
-	"github.com/spf13/cobra"
-)
-
-func init() {
-	rootCmd.AddCommand(generateCommand)
-}
-
-var generateCommand = &cobra.Command{
-	Use:   "generate",
-	Short: "Generate things",
-}

cmd/info.go

@@ -1,21 +0,0 @@
-package cmd
-
-import (
-	"fmt"
-	"runtime/debug"
-
-	"github.com/spf13/cobra"
-)
-
-func init() {
-	rootCmd.AddCommand(infoCmd)
-}
-
-var infoCmd = &cobra.Command{
-	Use:   "info",
-	Short: "Print tool info",
-	Run: func(cmd *cobra.Command, args []string) {
-		info, _ := debug.ReadBuildInfo()
-		fmt.Printf("%#v\n", info)
-	},
-}

cmd/pwgen.go

@@ -1,29 +0,0 @@
-package cmd
-
-import (
-	"crypto/rand"
-	"fmt"
-	"math/big"
-
-	"github.com/spf13/cobra"
-	"sneak.berlin/x/pkg/bip39wordlist"
-)
-
-func init() {
-	generateCommand.AddCommand(passwordCmd)
-}
-
-var passwordCmd = &cobra.Command{
-	Use:   "password",
-	Short: "Print a randomly generated password",
-	Run: func(cmd *cobra.Command, args []string) {
-		fmt.Printf("%s\n", randomPassword())
-	},
-}
-
-func randomPassword() string {
-	wl := bip39wordlist.WordListEnglish
-	count := len(wl)
-	r, err := rand.Int(rand.Reader, big.Int(count))
-	return wl[r]
-}

cmd/root.go

@@ -1,52 +0,0 @@
-package cmd
-
-import (
-	"fmt"
-	"os"
-
-	"github.com/mitchellh/go-homedir"
-	"github.com/spf13/cobra"
-	"github.com/spf13/viper"
-)
-
-var (
-	// Used for flags.
-	cfgFile     string
-	userLicense string
-
-	rootCmd = &cobra.Command{
-		Use:   "sn",
-		Short: "A shell utility program",
-	}
-)
-
-// Execute executes the root command.
-func Execute() error {
-	return rootCmd.Execute()
-}
-
-func er(msg interface{}) {
-	fmt.Println("Error:", msg)
-	os.Exit(1)
-}
-
-func init() {
-	cobra.OnInitialize(initConfig)
-}
-
-func initConfig() {
-	home, err := homedir.Dir()
-	if err != nil {
-		er(err)
-	}
-
-	// Search config in home directory with name ".cobra" (without extension).
-	viper.AddConfigPath(home)
-	viper.SetConfigName(".sneak")
-
-	viper.AutomaticEnv()
-
-	if err := viper.ReadInConfig(); err == nil {
-		fmt.Println("Using config file:", viper.ConfigFileUsed())
-	}
-}

cmd/version.go

@@ -1,20 +0,0 @@
-package cmd
-
-import (
-	"fmt"
-
-	"github.com/spf13/cobra"
-)
-
-func init() {
-	rootCmd.AddCommand(versionCmd)
-}
-
-var versionCmd = &cobra.Command{
-	Use:   "version",
-	Short: "Print the version number of Hugo",
-	Long:  `All software has versions. This is Hugo's`,
-	Run: func(cmd *cobra.Command, args []string) {
-		fmt.Println("sn version")
-	},
-}