Rename "sheet" to "mat" to avoid confusion
Function to draw a line and annotation (WIP)
Install bootstrap locally so I can work offline
Missed reference to sheet
Draws lines on back mat!
Now draws lines between mat and window
Missed reference to sheet.
Added code to write annotations on canvas.
Fixed bug where wrong annotation was being sent.
Added control to toggle display of measurements and annotations.
Remove debugging code
Add my license to project.