* The docker image now uses nginx to host elasticvue instead of expre…

…ss. This decreases the image size and increases performance.

* updates vuetify. this changes the colors of the dark theme, see [vuetify](https://github.com/vuetifyjs/vuetify/releases/tag/v2.2.6)
* rework snapshot and repository management
* ui improvements for navbar and indices table

* [feat] show index aliases on index overview, fixes [cars10#13][i13]

* use node 12

[i13]: https://github.com/cars10/elasticvue/issues/i13

* [fix] fix connecting to servers on port 80 and 443 [cars10#11][i11]

* increase width of `host` input field in setup form

[i11]: cars10#11

* [fix] fix connecting with passwords with special characters [cars10#10

][i10]

[i10]: cars10#10

* [merge] merge fix, thx @cengler [cars10#9][i9]

* updates dependencies
* supported elasticsearch versions: `5.6`, `6.8`, `7.0`, `7.1`, `7.2`, `7.3`, `7.4`, `7.5`

* [fix] fix [cars10#8][i8]

* [fix] fix exact filtering (using `"query"`) when filtering for fields that contain uppercase characters
* [fix] fix filtering for numbers

[i8]: cars10#8

* [feat] adds reload button to modals

* [feat] can switch between vertical/horizontal layout in query/api browser
* [feat] decrease navbar size when scrolled down
* updates logos

* firefox addon is now available on

[addons.mozilla.org](https://addons.mozilla.org/en-US/firefox/addon/elasticvue/)!
* [feat] can switch between vertical/horizontal layout in query/rest
* [feat] can beautify code in readonly editor

* improvements for the code editor (json views):

    * [feat] enable searchbox for code editor
    * [feat] add beautify button to code editor (hotkey: ctrl+alt+l)
* [feat] show different "no results" text in results table based on current filters. thx @georgeyeint (see discussion in [cars10#7][i7])
* [bug] fix switching between index pattern and index selection ([cars10#7][i7])
* [bug] fix indices & search table not showing empty results when search result is empty

[i7]: cars10#7

* [feat] can filter exact with `"` in all filter and select inputs

* [feat] async filtering for indices table and search results table (using web workers)
* [feat] adds examples to both query forms (rest and api browser)
* [feat] adds more options to snapshot creation form
* updates dependencies, most notably vuetify 2.x