update readme image paths
add vscode gallery banner color
update package.json and readme
add missing document types
tweak class regex to include className
update tailwind-class-names dep
rename project vscode-tailwind -> vscode-tailwindcss
fix html class attr regex
remove commented out code
add tailwind-config.js to config file glob
prevent showing completions for unknown prefixes
add config helper completions
reload on config file change