Add sequence module and db module placeholder

lib/db/index.js

@@ -0,0 +1,2 @@
+'use strict'
+

lib/sequence/index.js

@@ -0,0 +1,17 @@
+'use strict'
+
+const sequence = {
+	active : false,
+	frame: false,
+	delay : false
+}
+
+sequence.start = function (options, cb) {
+	sequence.active = true 
+}
+
+sequence.stop = function (cb) {
+	sequence.active = false
+}
+
+module.exports = sequence