Added GitHub Copilot Instructions

[i2h3]

No description provided.

[Copilot]

Pull Request Overview

This PR introduces a set of contributor guidelines for the Swift-based iOCNotes project and removes an old localization configuration file.

• Adds .github/copilot-instructions.md with project overview, code standards, development flow, repository structure, and key guidelines for contributors.
• Removes .bartycrouch.toml localization config—ensure the localization pipeline is updated accordingly.

Reviewed Changes

Copilot reviewed 2 out of 3 changed files in this pull request and generated no comments.

File	Description
.github/copilot-instructions.md	New contributor guide outlining project purpose, SwiftLint enforcement, build/test commands, and repo layout
.bartycrouch.toml	Deleted obsolete BartyCrouch configuration for localization tasks

Comments suppressed due to low confidence (3)

.github/copilot-instructions.md:9

• The note says SwiftLint runs only on iOCNotes/, but the swiftlint command lints the entire project by default—either scope the command (e.g., swiftlint autocorrect --path iOCNotes/) or update the text to reflect the actual behavior.

- Run `swiftlint` before committing any changes to ensure proper code formatting

.github/copilot-instructions.md:30

• [nitpick] Consider ensuring this numeric list is rendered as a proper Markdown ordered list by adding a blank line before it—this improves readability in rendered views.

1. Follow Swift best practices and idiomatic patterns

[mpivchev]

Nice!