docs: update changelog and version

CHANGELOG.md

@@ -11,6 +11,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Fixed
 ### Docs
 
+## [1.4.0] - 2023-11-29
+### Added
+- Config option to use X-Forwarded-For or X-Real-IP header as client IP
+- Config option to whitelist client IPs for both websocket and metrics endpoints
+- Config option to enable system metrics (cpu, memory, etc.)
+
 ## [1.3.2] - 2023-11-28
 ### Fixed
 - Memory leak related to clients disconnecting from the websocket not being handled properly
@@ -72,7 +78,8 @@ Fixed the connection issue due to the offline Google loglist urls.
 ## [1.0.0] - 2022-08-08
 Initial release! First stable version of certstream-server-go is published as v1.0.0
 
-[unreleased]: https://github.com/d-Rickyy-b/certstream-server-go/compare/v1.3.2...HEAD
+[unreleased]: https://github.com/d-Rickyy-b/certstream-server-go/compare/v1.4.0...HEAD
+[1.4.0]: https://github.com/d-Rickyy-b/certstream-server-go/compare/v1.3.2...v1.4.0
 [1.3.2]: https://github.com/d-Rickyy-b/certstream-server-go/compare/v1.3.1...v1.3.2
 [1.3.1]: https://github.com/d-Rickyy-b/certstream-server-go/compare/v1.3.0...v1.3.1
 [1.3.0]: https://github.com/d-Rickyy-b/certstream-server-go/compare/v1.2.2...v1.3.0

internal/config/config.go

@@ -13,7 +13,7 @@ import (
 
 var (
 	AppConfig Config
-	Version   = "1.3.0"
+	Version   = "1.4.0"
 )
 
 type ServerConfig struct {