Normalize document names

docs/README.md

@@ -2,21 +2,21 @@
 
 ## Guides
 
-* [Quick start](Quick-start.md)
-* [Build native modules](Build-native-modules.md)
+* [Quick start](quick-start.md)
+* [Build native modules](build-native-modules.md)
 
 ## 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](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)
 
 ## API References
 
 Renderer side modules:
 
-* [ipc (renderer)](ipc-(renderer).md)
+* [ipc (renderer)](ipc-renderer.md)
 * [remote](remote.md)
 
 Browser side modules:
@@ -27,7 +27,7 @@ Browser side modules:
 * [browser-window](browser-window.md)
 * [crash-reporter](crash-reporter.md)
 * [dialog](dialog.md)
-* [ipc (browser)](ipc (browser).md)
+* [ipc (browser)](ipc-browser.md)
 * [menu](menu.md)
 * [menu-item](menu-item.md)
 * [power-monitor](power-monitor.md)