Add core packages, configuration system, and initial application structure

app/main.go

@@ -0,0 +1,23 @@
+package app
+
+import (
+	"context"
+
+	"lol.mleku.dev/log"
+	"next.orly.dev/app/config"
+)
+
+func Run(ctx context.Context, cfg *config.C) (quit chan struct{}) {
+	// shutdown handler
+	go func() {
+		select {
+		case <-ctx.Done():
+			log.I.F("shutting down")
+			close(quit)
+		}
+	}()
+	// start listener
+
+	quit = make(chan struct{})
+	return
+}