feat: Add --remote (#1387)

Co-authored-by: anqiansong <anqiansong@bytedance.com>

tools/goctl/api/apigen/gen.go

@@ -52,7 +52,16 @@ func ApiCommand(c *cli.Context) error {
 	}
 	defer fp.Close()
 
+
 	home := c.String("home")
+	remote := c.String("remote")
+	if len(remote) > 0 {
+		repo, _ := util.CloneIntoGitHome(remote)
+		if len(repo) > 0 {
+			home = repo
+		}
+	}
+
 	if len(home) > 0 {
 		util.RegisterGoctlHome(home)
 	}