Added Contacts, Essence Point to Models package. Next step migrations for this objects into psql.

api/src/models/Point.go

@@ -0,0 +1,9 @@
+package models
+
+import "github.com/google/uuid"
+
+type Point struct {
+	Id        uuid.UUID `json:"id" gorm:"type:uuid;primaryKey;unique;AutoIncrement:false"`
+	Latitude  int64     `json:"latitude" gorm:"type:int64"`
+	Longitude int64     `json:"longitude" gorm:"type:int64"`
+}