import/export overlays via query string, clickable popups; v0.3.0

fix version - 0.2.1

rename project to just 'onyx'

move leaflet license to the project root

fix missed Polygon mention in readme

rename Polygons to Paths - add option to close polyline or not on creation; bump to v0.2.0

slight change to attribution overlay - show version and link to license too

set target=_blank on manual link

last little tweak to mobile sizing, style attribution area and add link to readme; update readme with mention of PWA

tweak font sizes for small screens

media query fixed

tweak further for small screens

fix sizing for small screens

fix typo in manifest

fix style

slight edit to readme

add manifest reference to html

implement import/export, tweak styles, update readme, and add leaflet license

add web manifest, favicon; implement edit modal - just need import/export

implement menu that keeps track of overlays, sets home

detect location if home not set and offer to set home, add go-home button

add reset button to load from save data

fix button state on handler reset

add polygon support and use cancel/okCancel modals

use temporary file for srcmap instead of on-disk file

slim down build script slightly

fix modal and start planning polygon creation

cleanup a bit more after build

switch to central MapHandler instead of arrow functions everywhere

refine UI

add skeleton for most UI elements, implement cirlces

fix readme

add readme and license file

initial commit