Add reproduction for uniffi arc objects

[zzorba]

No description provided.

[Copilot]

Pull Request Overview

This PR introduces a reproduction for uniffi arc objects by adding several test fixtures and updating configurations. Key changes include:

• Adding a TypeScript binding configuration file (uniffi.toml) and new test files in Rust and TypeScript.
• Updating the Rust library implementation and Cargo.toml configurations to support the new test cases.
• Enhancing documentation in the README for running tests and examples.

Reviewed Changes

Copilot reviewed 9 out of 9 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
fixtures/wasm-arc-futures/uniffi.toml	Adds TypeScript binding settings.
fixtures/wasm-arc-futures/tests/test_generated_bindings.rs	Introduces a new test file with license header.
fixtures/wasm-arc-futures/tests/bindings/test_wasm_arc_futures.ts	Provides comprehensive tests for uniffi components.
fixtures/wasm-arc-futures/tests/bindings/.supported-flavors.txt	Updates supported flavor information.
fixtures/wasm-arc-futures/src/lib.rs	Implements SimpleObject and associated callback functions.
fixtures/wasm-arc-futures/README.md	Adds usage instructions and testing documentation.
fixtures/wasm-arc-futures/Cargo.toml	Modifies dependency configurations for uniffi.
fixtures/error-types/Cargo.toml	Updates feature flags for uniffi in error types.
Cargo.toml	Switches uniffi dependency from a fixed version to a git branch reference.

[Copilot]

There appears to be a stray backtick at the end of the cargo build command, which could cause confusion. Consider removing the extra backtick for clarity.

Suggested change

	$ cargo build --release -p uniffi`
	$ cargo build --release -p uniffi