feat(admin): initialize procurement service skeleton

admin/cmd/server/main.go

@@ -0,0 +1,26 @@
+package main
+
+import (
+	"errors"
+	"log"
+	"net/http"
+
+	"cmbuyer/admin/internal/server"
+)
+
+const listenAddress = ":8080"
+
+func main() {
+	if err := run(); err != nil {
+		log.Fatal(err)
+	}
+}
+
+func run() error {
+	err := http.ListenAndServe(listenAddress, server.NewRouter())
+	if errors.Is(err, http.ErrServerClosed) {
+		return nil
+	}
+
+	return err
+}