Finished changing structure to modules:

- ntfy
- keyserver
- webhook
- webserver
functional modules.

modules/keyserver/keyserver.go

@@ -0,0 +1,36 @@
+package keyserver
+
+import (
+	"context"
+	"net/http"
+
+	"github.com/gorilla/mux"
+
+	"varde/internal/middleware"
+)
+
+type Config struct {
+	Enabled bool
+	KeysDir string
+}
+
+type Module struct {
+	cfg Config
+}
+
+func New(cfg Config) *Module {
+	return &Module{cfg: cfg}
+}
+
+func (m *Module) Name() string { return "keyserver" }
+
+func (m *Module) RegisterRoutes(r *mux.Router) {
+	fs := http.FileServer(http.Dir(m.cfg.KeysDir))
+	wkd := r.PathPrefix("/.well-known/").Subrouter()
+	wkd.Use(middleware.NoListing)
+	wkd.Use(middleware.WKDHeaders)
+	wkd.PathPrefix("/").Handler(fs)
+}
+
+func (m *Module) Start(ctx context.Context) error { return nil }
+func (m *Module) Stop(ctx context.Context) error  { return nil }