Add v7.0.0 changelog (#1531)

* Add v7.0.0 changelog

* Add fixes entry

* Add spellcheck

* Remove some features according to Rita's review

* Actualize

* Fix typo

* Add info about form creator

* Replace Buy now to Contact us with email

* Fix contact us casing

* Remove mention of pro features

CHANGELOG.md

@@ -1,5 +1,48 @@
 # Change log
 
+## 7.0.0
+
+### New Features
+
+#### All Editors
+
+* New sort types for Comment left sidebar
+* Ability to call menu entries by pressing `alt+key`
+* New canvas zoom options (up to 500%)
+* Ability to customize dark menu logo from API
+
+#### Document Editors
+
+* Ability to add Content Controls and
+  use File Comparison is available in OpenSource version
+* Completely new mode for creating, filling and sharing forms
+* Dark Mode (dark canvas background and other interface changes)
+* New settings to change review mode `Track Changes Display`
+* Ability to select local file for `Mail Merge`
+* New setting for AutoFormat as you type -> hyperlinks and network paths
+
+#### Spreadsheet Editor
+
+* Version History
+* Ability to use Sheet Views is available in OpenSource version0
+* Ability to protect spreadsheet files and separate sheets
+* Ability to show other users cursor in co-edit mode
+* Ability to separate sheets and status bar
+* `pt-br` formulas description and translation
+* Do not loose Query Table data
+* Copy sheet with drag-n-drop with holding `ctrl`
+
+#### Presentation Editors
+
+* Ability to display animations
+* Slide animation settings moved to top Tab
+* New setting for AutoFormat as you type -> hyperlinks and network paths
+* Ability to save presentation to `BMP` and `PNG`
+
+### Fixes
+
+* All components received countless fixes
+
 ## 6.4.2
 
 ### Fixes