fix navigation

Need to use toctree.
Need to use .md target.
Remove non-existing links

Change-Id: Iff5d1b88e5b283940fc94f919d5c82366ed62554

build/index.md

@@ -10,5 +10,9 @@ This manual is for anyone looking to build Jami from source to:
 
 ## Sections
 
-* [Introduction](introduction.md)
-* [Dependencies](dependencies.md)
+```{toctree}
+:maxdepth: 1
+
+introduction
+dependencies
+```

contribute.md

@@ -259,7 +259,7 @@ $ git add source/file/you/edited.md
 $ git commit
 ```
 
-Refer to the [commit message guidelines](contribute.html#commit-message-guidelines) for how to write a good commit message.
+Refer to the [commit message guidelines](contribute.md#commit-message-guidelines) for how to write a good commit message.
 
 
 ## Submitting a change
@@ -295,11 +295,9 @@ For instance, if you added a new page called
 `user` folder, you should add it in the `toctree` directive of
 `user/index.rst`, *without* the file extension:
 
-```.. code-block:: reST
-
-   .. toctree::
-
-      ...
-      bug-report-guide
-      hosting-jams-on-aws-guide
+```reStructuredText
+.. toctree::
+  ...
+  bug-report-guide
+  hosting-jams-on-aws-guide
 ```

index.md

@@ -4,7 +4,7 @@
   alt="«Image: Jami logo»"
   title="Jami logo" />
 
-This is the documentation for [Jami](https://jami.net), free/libre software for [universal communication](user/introduction.md) that respects the freedom and privacy of its users.
+This is the documentation for [Jami](https://jami.net), free/libre software for [universal communication](user/introduction.rst) that respects the freedom and privacy of its users.
 Jami is available across operating systems and platforms including GNU/Linux, macOS, Windows, Android/Replicant, and iOS.
 
 Jami is an official GNU package and you can redistribute it and/or modify it under the terms of the [GNU General Public License](https://www.gnu.org/licenses/gpl.html) as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
@@ -23,12 +23,16 @@ This documentation is community-driven and [anyone can contribute](contribute.md
 Here are the documentation manuals of Jami and details on how to
 contribute to Jami:
 
-* [User manual](user/index.md)
-* [JAMS manual](jams/index.md)
-* [Build manual](build/index.md)
-* [Developer manual](developer/index.md)
-* [Extension manual](extension/index.md)
-* [Contribute](contribute.md)
+```{toctree}
+:maxdepth: 1
+
+user/index
+jams/index
+build/index
+developer/index
+extension/index
+contribute
+````
 
 ## Community and support
 

user/index.rst

@@ -15,11 +15,9 @@ bugs and issues.
    introduction
    create-jami-account
    jami-distributed-network
-   features
    all-features-by-client
    faq
    lan-only
-   tutorials
    bug-report-guide
 
 ..