Node version, update readme

.github/workflows/pages-deploy.yml

@@ -31,7 +31,7 @@ jobs:
       - name: Set up Node
         uses: actions/setup-node@v4
         with:
-          node-version: 23
+          node-version-file: .nvmrc
           cache: "npm"
       - name: Install dependencies
         run: npm ci

.node-version

@@ -0,0 +1 @@
+23.5.0

.nvmrc

@@ -0,0 +1 @@
+23.5.0

README.md

@@ -1,3 +1,43 @@
 # Code Café Community website
 
 :construction: Currently under construction :construction:
+
+## Prerequisites for Contributing
+
+This project requires the following:
+
+- Node version `23.5.0`
+
+### Setting Up Node.js Version
+
+To ensure compatibility, please use [nvm](https://github.com/nvm-sh/nvm) or a similar tool to manage Node versions.
+
+#### Using nvm
+
+1. Install nvm if you don’t already have it: https://github.com/nvm-sh/nvm#installing-and-updating.
+2. Run the following command in the project directory:
+   ```bash
+   nvm use
+   ```
+
+If you don’t have Node.js 23.5.0 installed, nvm will prompt you to install it.
+
+run:
+
+```bash
+nvm use 23.5.0
+```
+
+### Install Dependencies
+
+Once the correct Node.js version is set up, install the project's dependencies:
+
+```bash
+npm install
+```
+
+### Start the Development Server
+
+```bash
+npm run dev
+```