feat(conf): make param playground_path configurable with cli command

conf/src/lib.rs

@@ -171,6 +171,11 @@ impl GvaCommand {
                 .msg(format!("Path ? [{}]", conf.path))
                 .default(conf.path)
                 .get();
+            // playgroundPath
+            conf.path = input()
+                .msg(format!("playground path ? [{}]", conf.playground_path))
+                .default(conf.playground_path.clone())
+                .get();
             // subscriptionsPath
             conf.subscriptions_path = input()
                 .msg(format!(