1.0.0

First release of MVP functionality

• Render ANSI formatted text in codeblocks with ansi keyword
• Support code block level styles with keywords dark, light and theme
• Can set a global style to be used when keyword missing
• Support code block level escape sequence converstion with keywords esc_string and esc_real
• Can set a global escape sequence conversation rule when keyword is missing
• Support dealing with iTerm2s quirky codes for multi-bit color and bright background colors
• Can set a global behavior of how to deal with multiline styles
• Configurable dark and light mode with custom colors and brightness offsets