feat: implement centralized logging helper

- remove direct log usage
- create a new logging helper
- update all log calls to use the new Logger instance
- set timestamp to ISO8601

🤖

cmd/client/app.go

@@ -2,7 +2,6 @@ package client
 
 import (
 	"flag"
-	"github.com/charmbracelet/log"
 
 	"git.smsvc.net/pomodoro/ChronoTomato/internal/helper"
 	"git.smsvc.net/pomodoro/ChronoTomato/internal/websocket"
@@ -87,6 +86,6 @@ func Start() {
 
 	_, err := tea.NewProgram(myApp()).Run()
 	if err != nil {
-		log.Fatal("Could not start program:", "msg", err)
+		helper.Logger.Fatal("Could not start program:", "msg", err)
 	}
 }