* add commands hook
* add commands in editor
* add command auto complete menu
* add commands in room input
* remove old reply code from room input
* fix video component css
* do not auto focus input on android or ios
* fix crash on enable block after selection
* fix circular deps in editor
* fix autocomplete return focus move editor cursor
* remove unwanted keydown from room input
* fix emoji alignment in editor
* test ipad user agent
* refactor isAndroidOrIOS to mobileOrTablet
* update slate & slate-react
* downgrade slate-react to 0.98.4
0.99.0 has breaking changes with ReactEditor.focus
* add sql to readable ext mimetype
* fix empty editor formatting gets saved as draft
* add option to use enter for newline
* remove empty msg draft from atom family
* prevent msg ctx menu from open on text selection
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