Document new criteria

Via #1387

sway/sway.5.txt

@@ -463,9 +463,15 @@ Currently supported attributes:
 	is _focused_ then the window class must be the same as that of the currently
 	focused window.
 
+**con_id**::
+	Compare against the internal container ID, which you can find via IPC.
+
 **con_mark**::
 	Compare against the window marks. Can be a regular expression.
 
+**floating**::
+	Matches against floating windows.
+
 **id**::
 	Compare value against the app id. Can be a regular expression.
 
@@ -474,6 +480,9 @@ Currently supported attributes:
 	_focused_ then the window title must be the same as that of the currently
 	focused window.
 
+**tiling**::
+	Matches against tiling windows.
+
 **workspace**::
 	Compare against the workspace name for this view. Can be a regular expression.
 	If value is _focused_ then all the views on the currently focused workspace