Notesium v0.4.1

Added:

• Embedded web/graph and completion.bash in binary.
• Web command will serve embedded webroot by default.
• Extract command to print embedded files list of file content.

Changed:

• Web option --webroot is no longer required (default: embedded webroot).
• Web graph requires local d3.js and compiled tailwind.css (instead of CDN).
• Readme Vim graph command updated to not specify a webroot.