Update README.rst

Author: ziadhany

README.rst

@@ -1,15 +1,13 @@
+==============
 FederatedCode
-================================
+==============
 FederatedCode is a decentralized, federated metadata about software applications
 
-Usage
-=====
-Getting started
------------------
-
+===================
 Quick Installation
 ===================
 On a Debian system, use this::
+
     sudo apt-get install  python3-venv python3-dev postgresql libpq-dev build-essential
     git clone https://github.com/nexB/federatedcode.git && cd federatedcode
     make dev envfile postgres