Add go-charset and chardet to vendor

vendor/github.com/paulrosania/go-charset/data/data_jisx0201kana.dat.go

@@ -0,0 +1,18 @@
+// This file is automatically generated by generate-charset-data.
+// Do not hand-edit.
+
+package data
+
+import (
+	"github.com/paulrosania/go-charset/charset"
+	"io"
+	"io/ioutil"
+	"strings"
+)
+
+func init() {
+	charset.RegisterDataFile("jisx0201kana.dat", func() (io.ReadCloser, error) {
+		r := strings.NewReader("｡｢｣､･ｦｧｨｩｪｫｬｭｮｯｰｱｲｳｴｵｶｷｸｹｺｻｼｽｾｿﾀﾁﾂﾃﾄﾅﾆﾇﾈﾉﾊﾋﾌﾍﾎﾏﾐﾑﾒﾓﾔﾕﾖﾗﾘﾙﾚﾛﾜﾝﾞﾟ")
+		return ioutil.NopCloser(r), nil
+	})
+}