Update README.md

Ctrl + Q was not on this list. It's rather essential.

Author: alexwilkerson

README.md

@@ -15,6 +15,7 @@ _Letters are shown capitalized for readability only._  _Capslock should be off._
 | ----------- | ----------- |
 | Ctrl + A   | Go to the beginning of the line you are currently typing on.  This also works for most text input fields system wide.  Netbeans being one exception |
 | Ctrl + E   | Go to the end of the line you are currently typing on.  This also works for most text input fields system wide.  Netbeans being one exception |
+| Ctrl + Q   | Clears everything on current line |
 | Ctrl + L   | Clears the Screen |
 | ⌘Cmd + K |Clears the Screen |
 | Ctrl + U   | Cut everything backwards to beginning of line |