internal/gophers: add gomote-to-github mapping for self

Added drchase -> dr2chase, for ssh access

Change-Id: Id36cf3cde94f785db0202d0100d528f4f7e017f6
Reviewed-on: https://go-review.googlesource.com/56270
Run-TryBot: David Chase <drchase@google.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
diff --git a/internal/gophers/gophers.go b/internal/gophers/gophers.go
index 27c2305..ddf91df 100644
--- a/internal/gophers/gophers.go
+++ b/internal/gophers/gophers.go
@@ -1551,6 +1551,8 @@
 		return "cherrymui"
 	case "cmang":
 		return "paranoiacblack"
+	case "drchase":
+		return "dr2chase"
 	case "gri":
 		return "griesemer"
 	case "hakim":