adding inputs output struct based on argo naming for now

models/common/models/inoutputs.go

@@ -0,0 +1,16 @@
+package models
+
+type Artifact struct {
+	Name string `json:"name" bson:"name" validate:"required"`
+	Path string `json:"value,omitempty" bson:"value,omitempty"`
+	From string `json:"from,omitempty" bson:"from,omitempty"`
+}
+
+type Param struct {
+	Name  string `json:"name" bson:"name" validate:"required"`
+	Value string `json:"value,omitempty" bson:"value,omitempty"`
+}
+type InOutputs struct {
+	Params    []Param    `json:"parameters" bson:"parameters"`
+	Artifacts []Artifact `json:"artifacts" bson:"artifacts"`
+}