feat: add event emission for blocked requests and provider changes

- Emit ACL blocked events with matched rule information
- Emit HTTP blocked events from CIDR whitelist, ForwardAuth, and OIDC middlewares
- Emit global events for provider file/docker changes
- Add MatchedIndex method to ACL matchers for rule identification
- Update goutils submodule for events package update

internal/net/gphttp/middleware/oidc.go

@@ -9,6 +9,7 @@ import (
 
 	"github.com/rs/zerolog/log"
 	"github.com/yusing/godoxy/internal/auth"
+	httpevents "github.com/yusing/goutils/events/http"
 	"github.com/yusing/goutils/http/httpheaders"
 )
 
@@ -118,6 +119,10 @@ func (amw *oidcMiddleware) before(w http.ResponseWriter, r *http.Request) (proce
 		return true
 	}
 
+	if r.Method != http.MethodHead {
+		defer httpevents.Blocked(r, "OIDC", err.Error())
+	}
+
 	isGet := r.Method == http.MethodGet
 	isWS := httpheaders.IsWebsocket(r.Header)
 	switch {