Fix up and export food service

app.go

@@ -2,7 +2,6 @@ package main
 
 import (
 	"context"
-	"fmt"
 )
 
 // App struct
@@ -21,11 +20,6 @@ func (a *App) startup(ctx context.Context) {
 	a.ctx = ctx
 }
 
-// Greet returns a greeting for the given name
-func (a *App) Greet(name string) string {
-	return fmt.Sprintf("Hello %s, It's show time!", name)
-}
-
-func (a *App) Foo() string {
-	return "bar"
+func (a *App) GetFood() ([]Food, error) {
+	return foodService.GetRecent()
 }