Some incomplete initial code

Signed-off-by: Dave Henderson <dhenderson@gmail.com>

cmd/onerng/main.go

@@ -0,0 +1,31 @@
+package main
+
+import (
+	"context"
+	"os"
+	"os/signal"
+	"time"
+
+	"github.com/hairyhenderson/go-onerng/cmd"
+)
+
+func main() {
+	ctx := context.Background()
+
+	ctx, cancel := context.WithDeadline(ctx, time.Now().Add(3*time.Second))
+	c := make(chan os.Signal, 1)
+	signal.Notify(c, os.Interrupt)
+	defer func() {
+		signal.Stop(c)
+		cancel()
+	}()
+	go func() {
+		select {
+		case <-c:
+			cancel()
+		case <-ctx.Done():
+		}
+	}()
+
+	cmd.Execute(ctx)
+}