Add a note about layouts

README.asciidoc

@@ -41,9 +41,6 @@
 image::https://travis-ci.org/kovidgoyal/kitty.svg?branch=master[Build status, link=https://travis-ci.org/kovidgoyal/kitty]
 
 .Major features
-* Uses OpenGL+FreeType for rendering, does not depend on any GUI
-toolkits.
-
 * Supports tiling multiple terminal windows side by side in different
 layouts without needing to use an extra program like tmux
 
@@ -53,13 +50,14 @@ protocol, focus tracking, bracketed paste and so on.
 * Allows you to view the scrollback buffer in a separate window
 using your favorite pager program such as less
 
+* Support startup sessions which allow you to specify the window/tab layout,
+working directories and programs to run on startup.
+
 * Easily hackable (UI layer written in python, inner loops in C for
 speed). Less than ten thousand lines of code.
 
-* Rendering of text is done in an actual character grid, so the common
-problems with most Terminals when using wide characters/complex scripts
-do not occur. The downside is that scripts with complex glyph layout,
-such as Arabic do not render well.
+* Uses OpenGL+FreeType for rendering, does not depend on any GUI
+toolkits.
 
 toc::[]
 
@@ -193,6 +191,20 @@ You can double click to select a word and triple click to select a line. You can
 hold down `ctrl+shift` and click on a URL to open it in a browser.
 
 
+== Layouts
+
+Currently, there are two layouts available,
+
+* Stack -- Only a single maximized window is shown at a time
+* Tall -- One window is shown full height on the left, the rest of the windows are shown one below the other on the right.
+
+You can switch between layouts using the {sc_next_layout} key combination.
+
+Writing a new layout only requires about thirty lines of code, so if there is
+some layout you want, take a look at link:kitty/layout.py[layout.py] and submit
+a pull request!
+
+
 == Configuration
 
 kitty is highly customizable, everything from keyboard shortcuts, to