move middleware and routes/ app into internal dir

src/cmd/frontend/main.go

@@ -1,6 +1,8 @@
 package main
 
 import (
+	"crowsnest/internal/app"
+	"crowsnest/internal/middleware"
 	"crowsnest/internal/model/database"
 	"log"
 	"net/http"
@@ -8,10 +10,6 @@ import (
 	_ "github.com/lib/pq"
 )
 
-type App struct {
-	articles *database.ArticleModel
-}
-
 func main() {
 	db, err := database.DbConnection()
 	if err != nil {
@@ -19,14 +17,12 @@ func main() {
 	}
 
 	// define app
-	app := &App{
-		articles: &database.ArticleModel{DB: db},
-	}
+	webapp := app.NewApp(db)
 
 	// start web server
 	server := http.Server{
 		Addr:    ":8080",
-		Handler: app.routes(),
+		Handler: middleware.Logging(webapp.Routes()),
 	}
 
 	log.Println("server started, listening on :8080")