Add workers SDK API bits (#2159)

api/workers/worker_config.gen.go

@@ -0,0 +1,8 @@
+// Code generated by "make api"; DO NOT EDIT.
+package workers
+
+type WorkerConfig struct {
+	Address string              `json:"address,omitempty"`
+	Name    string              `json:"name,omitempty"`
+	Tags    map[string][]string `json:"tags,omitempty"`
+}