fix: optimize memory usage, fix agent and code refactor (#118)

* refactor: simplify io code and make utils module independent

* fix(docker): agent and socket-proxy docker event flushing with modified reverse proxy handler

* refactor: remove unused code

* refactor: remove the use of logging module in most code

* refactor: streamline domain mismatch check in certState function

* tweak: use ecdsa p-256 for autocert

* fix(tests): update health check tests for invalid host and add case for port in host

* feat(acme): custom acme directory

* refactor: code refactor and improved context and error handling

* tweak: optimize memory usage under load

* fix(oidc): restore old user matching behavior

* docs: add ChatGPT assistant to README

---------

Co-authored-by: yusing <yusing@6uo.me>

internal/homepage/homepage.go

@@ -5,7 +5,7 @@ import (
 	"slices"
 
 	"github.com/yusing/go-proxy/internal/homepage/widgets"
-	"github.com/yusing/go-proxy/internal/utils"
+	"github.com/yusing/go-proxy/internal/serialization"
 )
 
 type (
@@ -32,7 +32,7 @@ type (
 )
 
 func init() {
-	utils.RegisterDefaultValueFactory(func() *ItemConfig {
+	serialization.RegisterDefaultValueFactory(func() *ItemConfig {
 		return &ItemConfig{
 			Show: true,
 		}