Add + button to add new sheet to spreadsheet

source/2/2.2/2.2.2/libreoffice_calc.rst

@@ -55,6 +55,8 @@ To align text in the center of the cells press :kbd:`Control +E` or :menuselecti
 
 To format your cells for a number with two decimal places press :kbd:`Control+Shift+1` or :menuselection:`Format --> Number Format --> Number`. To format a number as a percent press :kbd:`Control+ Shift+ 5` or :menuselection:`Format --> Number Format --> Percent`. To format a cell as currency press :kbd:`Control + Shift + 4` or :menuselection:`Format --> Number Format --> Currency`. To format a cell as a date press :kbd:`Contorol+ Shift+ 3` or :menuselection:`Format --> Number Format --> Date`. To format a cell as time :menuselection:`Format --> Number Format --> Time`. To format the cell in scientific notation press :kbd:`Control + Shift + 2` or :menuselection:`Format --> Number Format --> Scientific`. To switch your formatting back to the general default press :kbd:`Control+ Shift +6` or :menuselection:`Format --> Number Format --> General`. To add a thousands seperator to your number :menuselection:`Format --> Number Format --> Thousands Seperator`.
 
+To add a new spreadsheet quickly at the end press the :guilabel:`+` button at the bottom.
+
 To quit LibreOffice Calc press :kbd:`Control+Q`.
 
 Charts