feat(SetBase): new parameter: Accumulation

reach/client/protocol/set_base.go

@@ -6,6 +6,7 @@ type SetBaseOptions struct {
 	Latitude      *float64
 	Longitude     *float64
 	Height        *float64
+	Accumulation  *int
 }
 
 type SetBaseOptionFunc func(opts *SetBaseOptions)
@@ -47,3 +48,9 @@ func WithBaseHeight(value float64) SetBaseOptionFunc {
 		opts.Height = &value
 	}
 }
+
+func WithAccumulation(value int) SetBaseOptionFunc {
+	return func(opts *SetBaseOptions) {
+		opts.Accumulation = &value
+	}
+}