Add content lists on relevant pages

docs/source/intro/install.rst

@@ -11,6 +11,12 @@ We recommend using the latest versions of both Python 3 and pip.
 
     Pyrogram supports **Python 3** only, starting from version 3.5.3. **PyPy** is supported too.
 
+.. contents:: Contents
+    :backlinks: none
+    :local:
+
+-----
+
 Install Pyrogram
 ----------------
 

docs/source/intro/setup.rst

@@ -4,6 +4,12 @@ Project Setup
 We have just :doc:`installed Pyrogram <install>`. In this page we'll discuss what you need to do in order to set up a
 project with the library. Let's see how it's done.
 
+.. contents:: Contents
+    :backlinks: none
+    :local:
+
+-----
+
 API Keys
 --------