Initialize module and dependencies

vendor/github.com/emersion/go-message/message.go

@@ -0,0 +1,15 @@
+// Package message implements reading and writing multipurpose messages.
+//
+// RFC 2045, RFC 2046 and RFC 2047 defines MIME, and RFC 2183 defines the
+// Content-Disposition header field.
+//
+// Add this import to your package if you want to handle most common charsets
+// by default:
+//
+//	import (
+//		_ "github.com/emersion/go-message/charset"
+//	)
+//
+// Note, non-UTF-8 charsets are only supported when reading messages. Only
+// UTF-8 is supported when writing messages.
+package message