Update README with local run instructions and rework warning

README.md

@@ -6,5 +6,41 @@ This is the documentation repository for the [Casper Network](https://casper.net
 
 The documentation site itself may be viewed at this address: https://docs.casper.network/.
 
-For instructions on how to build, run, edit and contribute to this documentation please refer to the [developer documentation](./README/INDEX.md). 
+For instructions on how to build, run, edit and contribute to this documentation, please refer to the [developer documentation](./README/INDEX.md).
 
+**Important Note: A complete rework of the documentation is currently underway. While fixes and improvements to this legacy version are welcome, please avoid making major or structural changes.**
+
+## Quick Local Run Instructions
+
+To run the documentation site locally, follow these steps:
+
+1.  **Clone the repository:**
+
+    ```bash
+    git clone https://github.com/casper-network/docs-redux.git
+    cd docs-redux
+    ```
+
+2.  **Create a `.env` file:**
+
+    Create a file named `.env` in the root of the `docs-redux` directory with the following content:
+
+    ```
+    URL=http://localhost:3000
+    BASE_URL=/
+    ALGOLIA_APP_ID=your_algolia_app_id
+    ALGOLIA_INDEX_NAME=your_algolia_index_name
+    ALGOLIA_API_KEY=your_algolia_api_key
+    ```
+
+    *(Note: Replace `your_algolia_app_id`, `your_algolia_index_name`, and `your_algolia_api_key` with actual values if you intend to use Algolia search; otherwise, placeholders are sufficient for local development.)*
+
+3.  **Install dependencies, build, and serve:**
+
+    ```bash
+    npm install
+    npm run build
+    npm run serve
+    ```
+
+    This will install the necessary packages, build the static site, and start a local server. You can then access the documentation in your browser at `http://localhost:3000/`.