Migrat pkg/password to using pkglib package

internal/passwordx/common.go

@@ -0,0 +1,23 @@
+package passwordx
+
+import (
+	"embed"
+
+	"github.com/tkw1536/pkglib/password"
+)
+
+//go:embed common
+var commonEmbed embed.FS
+
+var Sources []password.PasswordSource
+
+func init() {
+	var err error
+	Sources, err = password.NewSources(commonEmbed, "**/*.txt")
+	if err != nil {
+		panic(err)
+	}
+	if len(Sources) == 0 {
+		panic("no sources")
+	}
+}