feat: add "extract wit" option for wasm files

[GordonSmith]

Add annotations for wasm file if they are components Auto display wit, when clicking on a wasm component

[Copilot]

Pull Request Overview

This PR adds comprehensive WebAssembly component support to the WIT IDL extension, enabling automatic detection of WebAssembly components and extraction of their WIT interfaces. The core functionality extracts WIT text from WASM component files and provides visual indicators for component files in the VS Code explorer.

• Implements WIT extraction from WebAssembly component bytes using wit-component library
• Adds automatic detection of WASM component files through header analysis
• Provides visual decorations and custom editor support for seamless component file handling

Reviewed Changes

Copilot reviewed 9 out of 10 changed files in this pull request and generated 5 comments.

Show a summary per file

File	Description
wit-bindgen-wasm/src/lib.rs	Adds core WIT extraction functionality with wit-component integration
wit-bindgen-wasm/Cargo.toml	Adds wit-component dependency for component decoding
tests/wasmDetection.test.ts	Unit tests for WASM header version detection logic
src/wasmUtils.ts	TypeScript wrapper for WIT extraction with proper error handling
src/wasmDetection.ts	File header analysis utilities for component detection
src/extension.ts	Comprehensive integration with VS Code UI and command registration
package.json	Configuration for commands, menus, and custom editor providers

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