Manifest v3

- Fix functionality on undocked instances of devtools

- Improve packaging

Release 0.1.15.

- Updated usability for console and source panes of devtools

- Code completions for consle

Update changelog

Update feature list

Update changelog

Resolve merge conflicts

Merge pull request #15 from Matsuuu/firefox-port

Firefox port

v 0.1.3

- Bugfix: Element list updates on shadow DOM element changes e.g. Item added to list
- Compatibility with Polymer elements
- Compatibility with Vaadin elements
- Add non-editable fields for Nodes and Functions
- Throttle querying to increase performance
- Add error messaging
- Updated the performance of mutation observers and property updates
- Re-name tab to "Web Components"
- Add toggleable HTML tag previews next to custom elements in devtools list

Add examples