Refactored version directory names

3.0 and 2.0 do not work, there are multiple versions and anything with a period in it sucks from my point of view, v2 and v3 feel much better from a DX perspective.

datamodel/high/v2/examples.go

@@ -0,0 +1,28 @@
+// Copyright 2022 Princess B33f Heavy Industries / Dave Shanley
+// SPDX-License-Identifier: MIT
+
+package v2
+
+import low "github.com/pb33f/libopenapi/datamodel/low/v2"
+
+type Examples struct {
+	Values map[string]any
+	low    *low.Examples
+}
+
+func NewExamples(examples *low.Examples) *Examples {
+	e := new(Examples)
+	e.low = examples
+	if len(examples.Values) > 0 {
+		values := make(map[string]any)
+		for k := range examples.Values {
+			values[k.Value] = examples.Values[k].Value
+		}
+		e.Values = values
+	}
+	return e
+}
+
+func (e *Examples) GoLow() *low.Examples {
+	return e.low
+}