endpoints returning languages, countries and currencies

app/model/countries.go

@@ -0,0 +1,11 @@
+package model
+
+// Represents a country together with its associated currency
+type Country struct {
+	ID              uint   `gorm:"primaryKey;column:id" json:"id"`
+	Name            string `gorm:"column:name" json:"name"`
+	Flag            string `gorm:"size:16;not null;column:flag" json:"flag"`
+	CurrencyID      uint   `gorm:"column:id_currency" json:"currency_id"`
+	CurrencyISOCode string `gorm:"column:iso_code" json:"currency_iso_code"`
+	CurrencyName    string `gorm:"column:name" json:"currency_name"`
+}