fix: add nil guard before entrypoint retrieval; move config from types/

internal/entrypoint/config.go

@@ -0,0 +1,15 @@
+package entrypoint
+
+import (
+	"github.com/yusing/godoxy/internal/logging/accesslog"
+	"github.com/yusing/godoxy/internal/route/rules"
+)
+
+type Config struct {
+	SupportProxyProtocol bool `json:"support_proxy_protocol"`
+	Rules                struct {
+		NotFound rules.Rules `json:"not_found"`
+	} `json:"rules"`
+	Middlewares []map[string]any               `json:"middlewares"`
+	AccessLog   *accesslog.RequestLoggerConfig `json:"access_log" validate:"omitempty"`
+}