Add links to pages.

Author: dkocher

mountainduck/connect/index.md

@@ -13,15 +13,15 @@ When connecting to a server, you can choose between *[Online](online.md)* and *[
 mode.
 
 ```{admonition} Integrated
-The _Integrated_ connect mode synchronizes files and folders from a directory on the local disk with support from macOS and Windows.
+The [_Integrated_ connect mode](integrated.md) synchronizes files and folders from a directory on the local disk with support from macOS and Windows.
 ```
 
 ```{admonition} Online
-In _Online_ connect mode, changes to a file are immediately uploaded and in sync when an application has finished saving a file.
+In [_Online_ connect mode](online.md), changes to a file are immediately uploaded and in sync when an application has finished saving a file.
 ```
 
 ```{admonition} Smart Synchronization
-In _Smart Synchronization_ connect mode, files are copied to a local cache for faster access prior synchronization with the server in the background.
+In [_Smart Synchronization_ connect mode](sync.md), files are copied to a local cache for faster access prior synchronization with the server in the background.
 ```
 
 ## Feature Comparison