Document coding standards in custom instructions file

[automagicallyio]

Establish and document consistent coding standards across the project to ensure code quality, maintainability, and team collaboration. This includes Python formatting conventions and docstring requirements that all contributors should follow.

Acceptance Criteria:

• Create or update .github/copilot-instructions.md file with coding standards
• Document Python formatting standards (e.g., Black, PEP 8)
• Define docstring requirements and format (e.g., Google, NumPy, or Sphinx style)
• Include naming conventions for variables, functions, and classes
• Add examples of correct and incorrect code patterns
• Document any project-specific linting rules
• Update README with reference to coding standards
• Review and approval by team leads