Implement steering/throttle reading from simulator

pkg/simulator/simulator.go.go

@@ -0,0 +1,23 @@
+package simulator
+
+type TelemetryMsg struct {
+	MsgType       string  `json:"msg_type"`
+	SteeringAngle float64 `json:"steering_angle"`
+	Throttle      float64 `json:"throttle"`
+	Speed         float64 `json:"speed"`
+	Image         []byte  `json:"image"`
+	Hit           string  `json:"hit"`
+	PosX          float64 `json:"pos_x"`
+	PosY          float64 `json:"posy"`
+	PosZ          float64 `json:"pos_z"`
+	Time          float64 `json:"time"`
+	Cte           float64 `json:"cte"`
+}
+
+/* Json msg used to control cars. MsgType must be filled with "control" */
+type ControlMsg struct {
+	MsgType  string  `json:"msg_type"`
+	Steering float32 `json:"steering"`
+	Throttle float32 `json:"throttle"`
+	Brake    float32 `json:"brake"`
+}