feat: fix handling of ~ in default config file path

internal/helper/config.go

@@ -5,10 +5,16 @@ import (
 	"github.com/charmbracelet/log"
 	"gopkg.in/yaml.v2"
 	"os"
+	"path/filepath"
+	"strings"
 )
 
 func ParseConfig(filename string) models.ConfigFile {
 	var config models.ConfigFile
+	if strings.HasPrefix(filename, "~/") {
+		dirname, _ := os.UserHomeDir()
+		filename = filepath.Join(dirname, filename[2:])
+	}
 	yamlFile, err := os.ReadFile(filename)
 	if err != nil {
 		log.Error("Error opening config file!", "reason", err)