feat: added base64 encoding.

cmd/gore/main.go

@@ -3,15 +3,25 @@ package main
 import "surdeus.su/core/cli/mtool"
 import "surdeus.su/util/gore/enc"
 import "encoding/hex"
+import "encoding/base64"
 import "os"
-
+import "io"
 
 var root = mtool.T("gore").Subs(
-	mtool.T("encode").Subs(
+	mtool.T("encode-to").Subs(
 		enc.NewEncodeTool(
 			"hex",
 			hex.NewEncoder,
 		),
+		enc.NewEncodeTool(
+			"base64",
+			func(w io.Writer) io.Writer {
+				return base64.NewEncoder(
+					base64.StdEncoding,
+					w,
+				)
+			},
+		),
 	),
 )