migrate from github

internal/utils/util.go

@@ -0,0 +1,22 @@
+package utils
+
+import (
+	"os"
+	"strings"
+)
+
+func Of[T any](v T) *T {
+	return &v
+}
+
+func GenConfigKey(parts ...string) string {
+	return strings.Join(parts, ".")
+}
+
+func GetEnvVar(key, defaultValue string) string {
+	value := strings.TrimSpace(os.Getenv(key))
+	if value == "" {
+		return strings.TrimSpace(defaultValue)
+	}
+	return value
+}