feat: Create comprehensive VSCode syntax highlighting extension for Glu

.gitignore

@@ -49,3 +49,6 @@ Output/
 
 .idea/
 .vscode/
+
+# VSCode extension package
+*.vsix

glu-lang-syntax/.vscodeignore

@@ -0,0 +1,3 @@
+.gitignore
+*.vsix
+test-syntax.glu

glu-lang-syntax/CHANGELOG.md

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+# Changelog
+
+All notable changes to the Glu Language Support extension will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [0.1.0] - 2025-10-16
+
+### Added
+
+#### Syntax Highlighting
+- Complete keyword support from Glu compiler's TokenKind.def
+  - Control flow: `if`, `else`, `while`, `for`, `return`, `break`, `continue`, `in`
+  - Declarations: `func`, `struct`, `union`, `enum`, `typealias`, `let`, `var`
+  - Module system: `import`, `public`, `private`
+  - Type modifiers: `unique`, `shared`
+  - Type casting: `as`
+  - Literals: `true`, `false`, `null`
+
+- Comprehensive type highlighting
+  - Signed integers: `Int`, `Int8`, `Int16`, `Int32`, `Int64`
+  - Unsigned integers: `UInt8`, `UInt16`, `UInt32`, `UInt64`
+  - Floating point: `Float16`, `Float32`, `Float64`
+  - Other primitives: `Char`, `String`, `Bool`, `Void`
+  - User-defined types (uppercase identifiers)
+
+- Complete operator support
+  - Arithmetic: `+`, `-`, `*`, `/`, `%`
+  - Comparison: `==`, `!=`, `<`, `<=`, `>`, `>=`
+  - Logical: `&&`, `||`, `!`
+  - Bitwise: `&`, `|`, `^`, `~`, `<<`, `>>`
+  - Range: `...`, `..<`
+  - Pointer: `.*`
+  - Scope: `::`, `::<`
+  - Arrow: `->`
+  - Assignment: `=`
+  - Ternary: `?`
+
+- Literal support
+  - Decimal, hexadecimal (0x), binary (0b), and octal (0o) integers
+  - Floating point with scientific notation
+  - Underscore separators in numbers
+  - String literals with escape sequences
+  - Character literals with escape sequences
+  - Boolean literals
+
+- Comment support
+  - Line comments (`//`)
+  - Block comments (`/* */`)
+  - Nested block comments
+
+- Attribute support
+  - Pattern matching for attributes like `@inline`, `@no_mangling`, etc.
+
+- Preprocessor directive support
+  - `#define`, `#undef`, `#include`
+  - Conditional compilation: `#if`, `#ifdef`, `#ifndef`, `#else`, `#elif`, `#endif`
+  - Multi-line macro support with backslash continuation
+
+- Function call highlighting
+  - Distinguishes function calls from other identifiers
+
+#### Language Configuration
+- Auto-closing pairs for brackets, parentheses, and quotes
+- Bracket matching
+- Comment toggling support
+- Word pattern for better word selection
+
+#### Documentation
+- Comprehensive README.md with installation instructions
+- INSTALL.md with detailed installation guide and troubleshooting
+- FEATURES.md describing all syntax highlighting capabilities
+- CHANGELOG.md for version tracking
+- test-syntax.glu example file demonstrating all language features
+
+#### Build System
+- .vscodeignore file to exclude unnecessary files from package
+- LICENSE symlink to main repository license
+- Updated package.json with proper metadata
+
+### Changed
+- Updated package.json version from 0.0.1 to 0.1.0
+- Renamed RADME.md to README.md (typo fix)
+- Improved package.json with repository, license, and keywords metadata
+- Enhanced .gitignore to exclude .vsix files
+
+### Removed
+- Old glu-syntax-0.0.1.vsix package (replaced with 0.1.0)
+
+## [0.0.1] - Initial Release
+
+### Added
+- Basic syntax highlighting for Glu language
+- Basic keyword support
+- Basic type support
+- Basic operator support
+- Simple string and number literal support
+- Line and block comment support
+- Basic language configuration
+
+---
+
+## Planned for Future Releases
+
+### [0.2.0] - Planned
+- Code snippets for common Glu patterns
+- Improved scope detection
+- Better support for generic syntax
+- Folding regions for functions and structures
+
+### [0.3.0] - Planned
+- Language server protocol (LSP) support
+- IntelliSense and code completion
+- Go to definition
+- Find all references
+- Hover information
+
+### [0.4.0] - Planned
+- Debugger support
+- Build task integration
+- Error diagnostics
+- Symbol outline view
+
+### [1.0.0] - Planned
+- Stable release with all core features
+- Full language server support
+- Comprehensive documentation
+- Performance optimizations