Trame-vega

Fix

* **vue3:** Add vue3 compatibility ([`3c4916c`](https://github.com/Kitware/trame-vega/commit/3c4916ce45848fe92693eb139a6dadb923744e8e))

Feature

* **v5:** Update vega to support v5 spec ([`6384226`](https://github.com/Kitware/trame-vega/commit/63842261bc0cea496338ab55058e20cf938f6e66))

Fix
* **version:** Add __version__ ([`c39c823`](https://github.com/Kitware/trame-vega/commit/c39c8237fea83d9df3b2603e1ba92cca3ebad3fa))

Documentation
* **coverage:** Remove codecov PR comment ([`face6f9`](https://github.com/Kitware/trame-vega/commit/face6f925e182f38efa73355f366b6924cb7f2cd))
* **coverage:** Add .coveragerc ([`4838b59`](https://github.com/Kitware/trame-vega/commit/4838b594d9716a0b70ecd1f36d232fdf559aea71))
* **ci:** Add coverage and codecov upload ([`e3048fa`](https://github.com/Kitware/trame-vega/commit/e3048fad41f002b4b43b9891d566bdbb04200650))
* **readme:** Add CI badge ([`2ab73d0`](https://github.com/Kitware/trame-vega/commit/2ab73d02c33e51f472d488582a85a83eddc1acb3))
* **contributing:** Add CONTRIBUTING.rst ([`447c56d`](https://github.com/Kitware/trame-vega/commit/447c56d69911d76c912490c3da2fee639bce9455))

Fix
* **state:** Reserve state at creation ([`a267b53`](https://github.com/Kitware/trame-vega/commit/a267b53d0bf9e73593a83f53c1b04f432d3d8153))

Fix
* Add CI including semantic release ([`702833d`](https://github.com/Kitware/trame-vega/commit/702833da5e25ae49b489d2ec7c131db9093370ac))
* **rc5:** Trame.widgets initialize ([`a015ce4`](https://github.com/Kitware/trame-vega/commit/a015ce4f1f8cddb4407cf3e79b2521810780ce54))

Documentation
* **api:** Add missing information ([`6a6878b`](https://github.com/Kitware/trame-vega/commit/6a6878bb80e3c51471fce88c69a8b62450c91822))