ITEP-82970 How to enable SceneScape pipelines to run on a discrete GPU

[ltalarcz]

📝 Description

This pull request enhances the documentation for running SceneScape pipelines on a discrete GPU by adding a new section to the README.md. The update provides clear, step-by-step instructions for configuring the system to use a specific GPU device, ensuring users can optimize performance on their hardware.

Documentation changes:

• Added a new "Running on Discrete GPU" section to dlstreamer-pipeline-server/README.md, detailing how to select and verify the correct GPU device, update the docker-compose.yml file, set environment variables, and use GPU-optimized configuration files for SceneScape pipelines.

✨ Type of Change

Select the type of change your PR introduces:

• 🐞 Bug fix – Non-breaking change which fixes an issue
• 🚀 New feature – Non-breaking change which adds functionality
• 🔨 Refactor – Non-breaking change which refactors the code base
• 💥 Breaking change – Changes that break existing functionality
• 📚 Documentation update
• 🔒 Security update
• 🧪 Tests
• 🚂 CI

🧪 Testing Scenarios

Describe how the changes were tested and how reviewers can test them too:

• ✅ Tested manually
• 🤖 Ran automated end-to-end tests

✅ Checklist

Before submitting the PR, ensure the following:

• 🔍 PR title is clear and descriptive
• 📝 For internal contributors: If applicable, include the JIRA ticket number (e.g., ITEP-123456) in the PR title. Do not include full URLs
• 💬 I have commented my code, especially in hard-to-understand areas
• 📄 I have made corresponding changes to the documentation
• ✅ I have added tests that prove my fix is effective or my feature works