issue-618: browsers support on readme (codex-team#622)

* Add browsers support in Readme

* update

* update

* update

README.md

@@ -11,6 +11,12 @@ We are glad to introduce the next version of CodeX Editor. Totally new core, str
 
 Welcome to testing stage. Please, join a [public Telegram-chat](//t.me/codex_editor) where you always find a support.
 
+### Browsers support
+
+| [<img src="https://raw.githubusercontent.com/alrra/browser-logos/master/src/edge/edge_48x48.png" alt="IE / Edge" width="24px" height="24px" />](http://godban.github.io/browsers-support-badges/)</br>IE / Edge | [<img src="https://raw.githubusercontent.com/alrra/browser-logos/master/src/firefox/firefox_48x48.png" alt="Firefox" width="24px" height="24px" />](http://godban.github.io/browsers-support-badges/)</br>Firefox | [<img src="https://raw.githubusercontent.com/alrra/browser-logos/master/src/chrome/chrome_48x48.png" alt="Chrome" width="24px" height="24px" />](http://godban.github.io/browsers-support-badges/)</br>Chrome | [<img src="https://raw.githubusercontent.com/alrra/browser-logos/master/src/safari/safari_48x48.png" alt="Safari" width="24px" height="24px" />](http://godban.github.io/browsers-support-badges/)</br>Safari | [<img src="https://raw.githubusercontent.com/alrra/browser-logos/master/src/safari-ios/safari-ios_48x48.png" alt="iOS Safari" width="24px" height="24px" />](http://godban.github.io/browsers-support-badges/)</br>iOS Safari | [<img src="https://raw.githubusercontent.com/alrra/browser-logos/master/src/opera/opera_48x48.png" alt="Opera" width="24px" height="24px" />](http://godban.github.io/browsers-support-badges/)</br>Opera |
+| --------- | --------- | --------- | --------- | --------- | --------- |
+| Edge 12+ | Firefox 18+ | Chrome 49+ | Safari 10+ | Safari 10+ | Opera 36+
+
 ### 2.7-2.9 changelog
 
 - `New` Blocks selected with RectangleSelection can be also removed, copied or cut

src/components/modules/ui.ts

@@ -281,6 +281,7 @@ export default class UI extends Module {
        * Manipulation with BlockSelections is handled in global enterPress because they may occur
        * with CMD+A or RectangleSelection
        */
+      event.preventDefault();
       event.stopImmediatePropagation();
       event.stopPropagation();
       return;