feat: add a webhook event struct (#48)

webhook.go

@@ -0,0 +1,18 @@
+// Copyright (c) 2020 Target Brands, Inc. All rights reserved.
+//
+// Use of this source code is governed by the LICENSE file in this repository.
+
+package types
+
+import "github.com/go-vela/types/library"
+
+// Webhook defines a struct that is used to return
+// the required data when processing webhook event
+// a for a source provider event.
+type Webhook struct {
+	Comment  string
+	PRNumber int
+	Hook     *library.Hook
+	Repo     *library.Repo
+	Build    *library.Build
+}