v0.4.0 - Essential Scanner Features Complete

This release finalizes the essential functionality of the scanner, marking a major milestone in the interpreter's development. Key features include:

• Identifiers and Reserved Words: Support for detecting alphanumeric identifiers and reserved words based on a predefined list.
• Block Comments: Support for block comments using the syntax /* ... */, enabling multi-line or inline comments to be ignored during scanning.

With these additions, the scanner is now fully equipped to handle the core elements required for code analysis.