Updated the copilot structure and other tooling

[VisLab]

No description provided.

[Copilot]

Pull request overview

This PR updates repository configuration and contributor tooling, including adding a committed Copilot instruction document and shifting spelling/link-check configuration to a new structure.

Changes:

• Replace Codespell with typos (dependency + configuration + CI workflow update).
• Consolidate Lychee ignore patterns into lychee.toml and delete .lycheeignore.
• Add .github/copilot-instructions.md, introduce .gitattributes, and adjust .gitignore (stop ignoring Copilot instructions; ignore Ruff cache).

Reviewed changes

Copilot reviewed 6 out of 7 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
pyproject.toml	Swap Codespell tooling for typos and add tool.typos configuration.
lychee.toml	Expand and reformat link exclusions (absorbing former .lycheeignore entries).
.lycheeignore	Remove standalone ignore file in favor of lychee.toml config.
.gitignore	Stop ignoring Copilot instructions; add Ruff cache ignore.
.github/workflows/typos.yaml	Update CI spelling job from Codespell to typos.
.github/copilot-instructions.md	Add repository-specific Copilot/developer instructions and local/CI command guidance.
.gitattributes	Normalize line endings to LF and mark common binary formats as binary.

Comments suppressed due to low confidence (2)

.github/workflows/typos.yaml:27

• This workflow doesn't set python-version for astral-sh/setup-uv, while the other workflows do (e.g., mdformat/links use 3.12). Not pinning can make CI behavior drift when GitHub updates the runner defaults; consider setting an explicit Python version here for consistency and reproducibility.
  .github/workflows/typos.yaml:29
• typos is now listed in .[dev], but the CI job runs it via uvx typos (which installs/runs an ephemeral tool version independent of your project dependency pins). Consider either (a) installing .[dev] and running uv run typos to ensure CI uses the same pinned version/config as contributors, or (b) dropping typos from .[dev] if uvx is the intended execution path.

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