Release/0.3.0 alpha (#144)

* initial implementation of the HTML annotation support (#131)

* initial implementation of the HTML annotation support

* removing print statements

* changes the name from behavior to support

* updates to the initialization

* export hasSupport

* examples and docs

* it's a bit of a hack for now to make it work in a different scenario,
to be updated

* Correct copy.sh.

* initialize predidctions before completions

* poor mans handling of both static and API based updates. Manually
handling the updates to the tree

* handle updates correctly

* check for spans existance

* updates on the normalization after deleting the region

* endOffset from the original range

* try/catch when the data is not correct

* show text of the html selection

* moving HTML -> HyperText

* update documentation

* Build bundle.

* Grid view for completions and predictions (#133)

* audio hotkey for play/pause (#134)

* audio hotkey for play/pause

* shift+space instead of shift

* textarea relations fix (#143)

* disable editting, this is useful for read-only completions or predictions (#135)

* fixing a merge bug

* string

* small fixes

* latest build

* hotkeys updates

* build

* deserialize predicitions two times fix

* need to load predictions after the completions

* adding more callbacks and fixing merge issue

* execute on load callback

* execute on task load

* latest build

* updating the visual view

* copy and type fixes

* the build

* static files

* Add base64 encoding support and fix overflow

* small docs and sites updates

* fix size and add style for header

* Init NPM ignore (#148)

* small changes

* fixing wrong spelling

* check for static background

* unique type for serialization of the labels

* remove empty serialization

* Add back compatibility for the callbacks

* fixing predictions for the stream mode

* Feature/pairwise comparison (#151)

* simple pairwise comparison

* pairwise with classes to compute the stats

* add docs and change the output names

* typo fix

* add build and setup hotkeys for predicitons

* select first completion from the list if there is one

* bundle

* a typo with selecting completion

* fixing polygon bug with resizing the window and labels active
background color

* latest build