pikchr 1.0.1

• updated pikchr source code to version 1.0

pikchr 1.0.0

• Added a NEWS.md file to track changes to the package.
• Embedded Google Fonts in SVG Files: Added functionality to embed Google Fonts directly into the generated SVG files, improving the portability and visual consistency of diagrams.
• Improved Processing in RMarkdown: Enhanced integration with RMarkdown for smoother and more efficient rendering of diagrams within documents.