📝 Add docs on screen module.

docs/README.md

@@ -35,4 +35,5 @@ Common modules:
 
 * [clipboard](api/common/clipboard.md)
 * [crash-reporter](api/common/crash-reporter.md)
+* [screen](api/common/screen.md)
 * [shell](api/common/shell.md)

docs/api/common/screen.md

@@ -0,0 +1,11 @@
+# screen
+
+Gets various info about screen size, displays, cursor position, etc.
+
+## screen.getCursorScreenPoint()
+
+Returns the current absolute position of the mouse pointer.
+
+## screen.getPrimaryDisplay()
+
+Returns the primary display.