feature: agrego opcion para personalizar nombre de PR

src/git_flow/command/merge.py

@@ -80,7 +80,8 @@ class MergeCommand(Command):
 
     def create_pull_request(self, token: str, branch: str, target: str):
         changelog = Changelog()
-        title = branch.replace("/", ": ").replace("-", " ")
+        title = self.prompt("[Opcional] Ingrese un titulo para el PR")
+        title = title or branch.replace("/", ": ").replace("-", " ")
 
         if title.startswith("release: "):
             title = title[title.index(' ', title.index(' ') + 1) + 1:]