Minor fixes and improvements

v1.0.3 and v1.0.4 Minor updates with fixes and additions.

• Fixed missing UKAEA-CuV syntax highlighting
• Added macrobody code snippets
• Fixed numbered geometry cardname captures

Documentation updates

Minor documentation updates, including:

• Added full template for settings.json colour customisation
• Added sensible logo to replace the placeholder
• Readability updates to the README

Minor fixes and improvements

Minor fixes to missing syntax and certain data cards not working as intended. In no particular order:

• Simplified colour customisation section of readme
• F5 debugging added
• Added vertical data input format
• Fixed missing highlighting of default material library cards
• Fixed contrib arguments and highlighting
• Added js-yaml as a dev dependency

Initial release

Initial release of a VSCode extension to support syntax highlighting and code snippets for MCNP6 input files