Add response time badge and chart

vendor/github.com/wcharczuk/go-chart/v2/value.go

@@ -0,0 +1,53 @@
+package chart
+
+// Value is a chart value.
+type Value struct {
+	Style Style
+	Label string
+	Value float64
+}
+
+// Values is an array of Value.
+type Values []Value
+
+// Values returns the values.
+func (vs Values) Values() []float64 {
+	values := make([]float64, len(vs))
+	for index, v := range vs {
+		values[index] = v.Value
+	}
+	return values
+}
+
+// ValuesNormalized returns normalized values.
+func (vs Values) ValuesNormalized() []float64 {
+	return Normalize(vs.Values()...)
+}
+
+// Normalize returns the values normalized.
+func (vs Values) Normalize() []Value {
+	var output []Value
+	var total float64
+
+	for _, v := range vs {
+		total += v.Value
+	}
+
+	for _, v := range vs {
+		if v.Value > 0 {
+			output = append(output, Value{
+				Style: v.Style,
+				Label: v.Label,
+				Value: RoundDown(v.Value/total, 0.0001),
+			})
+		}
+	}
+	return output
+}
+
+// Value2 is a two axis value.
+type Value2 struct {
+	Style          Style
+	Label          string
+	XValue, YValue float64
+}