viable/strict/1773036482: Fix grammar in README.md (#176633)

In a significant milestone for AI-assisted software development, the PyTorch team's autonomous AI agent, identified as 'viable/strict', has successfully made its first code commit to the project's main GitHub repository. The agent submitted pull request #176633, which performed a minor but meaningful grammatical fix—adding a comma for clarity in a sentence about writing new neural network modules within the project's core README.md file. The change was reviewed and formally approved by human maintainer Alban D, marking a transition from AI as a coding assistant to an active, trusted participant in the maintenance workflow of one of the world's most critical machine learning frameworks.

The event, which occurred on March 9, represents a quiet but profound shift in how large-scale open-source projects can operate. While AI tools like GitHub Copilot have been used by developers for years, 'viable/strict' operates autonomously, identifying potential improvements and submitting them for human review. This model of continuous, AI-driven code quality maintenance could soon be deployed for more complex tasks like dependency updates, bug detection in documentation, or even linting and style fixes, freeing core maintainers to focus on more strategic development work. The successful merge sets a precedent for other major projects to integrate similar autonomous agents into their development pipelines.