doc: Separate pages into sub directories.

docs/README.md

@@ -7,33 +7,33 @@
 
 ## Development
 
-* [Coding style](coding-style.md)
-* [Source code directory structure](source-code-directory-structure.md)
-* [Build instructions (Mac)](build-instructions-mac.md)
-* [Build instructions (Windows)](build-instructions-windows.md)
+* [Coding style](development/coding-style.md)
+* [Source code directory structure](development/source-code-directory-structure.md)
+* [Build instructions (Mac)](development/build-instructions-mac.md)
+* [Build instructions (Windows)](development/build-instructions-windows.md)
 
 ## API References
 
 Renderer side modules:
 
-* [ipc (renderer)](ipc-renderer.md)
-* [remote](remote.md)
+* [ipc (renderer)](api/renderer/ipc-renderer.md)
+* [remote](api/renderer/remote.md)
 
 Browser side modules:
 
-* [app](app.md)
-* [atom-delegate](atom-delegate.md)
-* [auto-updater](auto-updater.md)
-* [browser-window](browser-window.md)
-* [crash-reporter](crash-reporter.md)
-* [dialog](dialog.md)
-* [ipc (browser)](ipc-browser.md)
-* [menu](menu.md)
-* [menu-item](menu-item.md)
-* [power-monitor](power-monitor.md)
-* [protocol](protocol.md)
+* [app](api/browser/app.md)
+* [atom-delegate](api/browser/atom-delegate.md)
+* [auto-updater](api/browser/auto-updater.md)
+* [browser-window](api/browser/browser-window.md)
+* [crash-reporter](api/browser/crash-reporter.md)
+* [dialog](api/browser/dialog.md)
+* [ipc (browser)](api/browser/ipc-browser.md)
+* [menu](api/browser/menu.md)
+* [menu-item](api/browser/menu-item.md)
+* [power-monitor](api/browser/power-monitor.md)
+* [protocol](api/browser/protocol.md)
 
 Common modules:
 
-* [clipboard](clipboard.md)
-* [shell](shell.md)
+* [clipboard](api/common/clipboard.md)
+* [shell](api/common/shell.md)

docs/api/browser/frameless-window.md

@@ -5,7 +5,7 @@ A frameless window is a window that has no chrome.
 ## Create a frameless window
 
 To create a frameless window, you only need to specify `frame` to `false` in
-[BrowserWindow](browser-window.md)'s `options`:
+[BrowserWindow](api/browser/browser-window.md)'s `options`:
 
 
 ```javascript