Added deselect hotkey to README

Also mentioned the settings window.

README.md

@@ -47,7 +47,7 @@ Hold right click to move around the map. Left click is your main way of placing
 
 In any menu, you can hover over the name of an option or field for a detailed tooltip explaining its meaning and usage.
 
-Lönn supports a couple of keybinds and special mouse functionality, with more to come. The following list might not be comprehensive. Note that you can change all keybinds in the configuration file.
+Lönn supports a couple of keybinds and special mouse functionality, with more to come. The following list might not be comprehensive. Note that you can change all keybinds in the settings window or the configuration file.
 
 ---
 
@@ -87,9 +87,12 @@ Lönn supports a couple of keybinds and special mouse functionality, with more t
 
  - Left click: Select object
  - Left click existing selection: Cycle through objects under cursor (smallest to largest)
+ - Double Left click: Select all similar objects
+ - Ctrl + Double Left click: Select all similar objects but more strict
  - Left click & drag: Select multiple objects
  - Shift + Left click & drag: Add to current selection
  - Ctrl + A: Select all objects
+ - Ctrl + Shift + A: Clear current selection
  - Right click selection: Open properties of selected object(s)
  - Holding Left mouse button over selection: Drag selected objects
  - Shift + Holding Left mouse button over selection: Axis-bound object dragging

src/lang/en_gb.lang

@@ -1837,7 +1837,7 @@ settings.hotkeys.description.itemsCopy=Copy the selected objects to the clipboar
 settings.hotkeys.description.itemsCut=Cut the selected objects to the clipboard.
 settings.hotkeys.description.itemsPaste=Paste a selection from the clipboard if possible.
 settings.hotkeys.description.itemsSelectAll=Select all objects.
-settings.hotkeys.description.itemsDeselect=Cancels the current selection.
+settings.hotkeys.description.itemsDeselect=Clears the current selection.
 settings.editor.description.selectionAddModifier=While held, add to the current selection rather than replacing it.
 settings.editor.description.itemAddNode=Add a node to the selected object if possible.
 settings.editor.description.objectCloneButton=Mouse button to use for cloning hovered objects.