feat: add custom handler example

examples/custom-handler/main.go

@@ -0,0 +1,31 @@
+package main
+
+import (
+	"os"
+
+	"github.com/charmbracelet/log"
+	"github.com/lvlcn-t/loggerhead/logger"
+)
+
+func main() {
+	// Setups a custom handler for the logger.
+	clog := log.New(os.Stdout)
+	clog.SetLevel(log.DebugLevel)
+
+	// Create a new logger with the custom handler.
+	l := logger.NewLogger(clog)
+
+	// Log some messages.
+	l.Debug("I'm not sure what's happening.")
+	l.Info("Hello, world in pretty colors!")
+	l.Warn("I'm warning you!")
+	l.Error("I'm sorry. I'm afraid you did something wrong.")
+	func() {
+		defer func() {
+			if r := recover(); r != nil {
+				l.Fatal("I'm dying!")
+			}
+		}()
+		l.Panic("I'm panicking!")
+	}()
+}