feat(layer,queue): display templatized page for queued users

internal/config/layers.go

@@ -0,0 +1,21 @@
+package config
+
+import "time"
+
+type LayersConfig struct {
+	Queue QueueLayerConfig `yaml:"queue"`
+}
+
+func NewDefaultLayersConfig() LayersConfig {
+	return LayersConfig{
+		Queue: QueueLayerConfig{
+			TemplateDir:      "./layers/queue/templates",
+			DefaultKeepAlive: NewInterpolatedDuration(time.Minute),
+		},
+	}
+}
+
+type QueueLayerConfig struct {
+	TemplateDir      InterpolatedString    `yaml:"templateDir"`
+	DefaultKeepAlive *InterpolatedDuration `yaml:"defaultKeepAlive"`
+}