Update README.md formatting

Auto save child Todos on saving a Todo Group

Fix Hill Chart title HTML escape, TodoGroupRenderer completed state

README.md formatting changes

Add screenshots

Add logo and fix /projects page html escaping bug

Bind to innerHTML instead of textContent

This helps preserve linebreaks

Implement Export Data

Switch to svelte-notifications bug and fix Hill Chart double render

Make TodoGroup strikethrough if all todos complete and refactor

Add module declaration for hill-chart

This fixes a typescript warning/note

Implement Hill Charts per TodoGroupRenderer

Use FontAwesome npm package

Add Hill Chart CSS

Add Hill Charts on /project/[project_id] page

Add <title> tags

Use FontAwesome CDN

Add docker and README.md

Format

Make todos editable, add progress overview, and update homepage