Add instructions for building a custom Python version using GitHub Actions

Author: anubhavkrishna1

README.md

@@ -38,3 +38,30 @@ This repository provides pre-built Python binaries for Linux. Follow the steps b
 
 4. **Start Using Python**
    - You can now use the custom Python binary for your projects.
+
+## Building Your Own Custom Python Version
+
+This repository provides a GitHub Actions workflow to build a custom Python version. Follow the steps below to build your own version:
+
+1. **Fork the Repository**
+   - Click the "Fork" button at the top-right corner of this repository to create your own copy.
+
+2. **Navigate to Actions**
+   - Go to the "Actions" tab in your forked repository.
+
+3. **Trigger the Workflow**
+   - Select the "Build and Release Python Binary" workflow from the list.
+   - Click the "Run workflow" button.
+   - Provide the desired Python version (e.g., `3.11.7`) in the input field.
+   - Click "Run workflow" to start the build process.
+
+4. **Wait for the Build to Complete**
+   - The workflow will compile the specified Python version with optimizations and create binary archives.
+
+5. **Download the Artifacts**
+   - Once the workflow completes, navigate to the "Actions" tab.
+   - Select the completed workflow run.
+   - Download the generated binary files from the "Artifacts" section.
+
+6. **Use the Binary**
+   - Follow the instructions in the "Usage" section above to extract and use the custom Python binary.