[types] Add Steering and Throttle types

types/confidence.go

@@ -1,4 +0,0 @@
-package types
-
-/* Metadata value on mesure */
-type Confidence float64

types/rc.go

@@ -0,0 +1,10 @@
+package types
+
+/* Radio control value */
+type RCValue struct {
+	Value      float64
+	Confidence float64
+}
+
+type Steering RCValue
+type Throttle RCValue