feat(docs): First model for swagger

models/contract.go

@@ -0,0 +1,19 @@
+package models
+
+type Contract struct {
+	Runners []Runner `json:"runners"`
+}
+
+type Runner struct {
+	ID         int    `json:"id"`
+	FirstName  string `json:"first_name"`
+	MiddleName string `json:"middle_name"`
+	LastName   string `json:"last_name"`
+	Group      Group  `json:"group"`
+}
+
+type Group struct {
+	ID          int    `json:"id"`
+	Name        string `json:"name"`
+	ParentGroup *Group `json:"parent_group"`
+}