test: add scaling-pubsub test package

.github/workflows/scaling-test-docker-release.yml

@@ -10,7 +10,7 @@ jobs:
     strategy:
       matrix:
         role: [node, relay]
-        test-name: ['', peer-discovery]
+        test-name: ['', peer-discovery, pubsub]
 
     name: Build and Push Scaling Test Docker Image
     permissions: write-all

tests/scaling-pubsub/.eslintignore

@@ -0,0 +1 @@
+dist

tests/scaling-pubsub/README.md

@@ -0,0 +1,23 @@
+# RoseNet scaling pubsub test
+
+## Table of contents
+
+- [Introduction](#introduction)
+- [Usage](#usage)
+
+## Introduction
+
+RoseNet scaling pubsub test
+
+## Usage
+
+You need to have [OpenTofu](https://opentofu.org/) installed. Then, after
+[passing required variables](https://opentofu.org/docs/language/values/variables/#assigning-values-to-root-module-variables) (defined in [`variables.tf`](./variables.tf)),
+run the following commands. It should complete with no errors.
+
+```bash
+tofu init
+tofu apply
+```
+
+Finally run `tofu destroy` to destroy the infrastructure.