Feat: Setup CI workflow and add some new rules

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[Copilot]

Pull Request Overview

Adds initial automation and dependency management configuration: Renovate presets, GitHub Actions workflows for PR metadata and git hygiene, labeling/auto-assign configs, and a basic Prettier setting.

• Introduces Renovate root config and augments default Renovate settings (commit prefix, base branch, package rules).
• Adds CI workflows for PR labeling/assignment and blocking fixup commits.
• Adds Prettier prose wrapping and label/auto-assign configuration files.

Reviewed Changes

Copilot reviewed 7 out of 7 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
renovate.json	New root Renovate config enabling only GitHub Actions manager and extending shared presets
default.json	Adds commit prefix, base branch, and a global packageRules block with minimumReleaseAge
.prettierrc.json	Adds Prettier prose wrapping rule
.github/workflows/pr-meta.yaml	Adds workflow to auto-assign author and apply labels on PR open/reopen
.github/workflows/git.yaml	Adds workflow to block merging PRs containing fixup commits
.github/pr-labeler.yaml	Defines branch-to-label mapping for PR labeling action
.github/auto_assign.yaml	Configures auto-assign behavior for PRs

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[Copilot]

Pull Request Overview

Copilot reviewed 7 out of 7 changed files in this pull request and generated 2 comments.

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[Copilot]

Pull Request Overview

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

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[Copilot]

Pull Request Overview

Copilot reviewed 6 out of 6 changed files in this pull request and generated 2 comments.

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