docs contents fixed

Author: igorbenav

README.md

@@ -59,12 +59,12 @@
 0. [About](#0-about)
 1. [Features](#1-features)
     1. [To Do](#11-to-do)
-3. [Contents](#2-contents)
-4. [Prerequisites](#3-prerequisites)
+2. [Contents](#2-contents)
+3. [Prerequisites](#3-prerequisites)
     1. [Environment Variables (.env)](#31-environment-variables-env)
     2. [Docker Compose](#32-docker-compose-preferred)
     3. [From Scratch](#33-from-scratch)
-5. [Usage](#4-usage)
+4. [Usage](#4-usage)
     1. [Docker Compose](#41-docker-compose)
     2. [From Scratch](#42-from-scratch)
         1. [Packages](#421-packages)
@@ -73,7 +73,7 @@
         4. [Running the API](#424-running-the-api)
     3. [Creating the first superuser](#43-creating-the-first-superuser)
     4. [Database Migrations](#44-database-migrations)
-6. [Extending](#5-extending)
+5. [Extending](#5-extending)
     1. [Project Structure](#51-project-structure)
     2. [Database Model](#52-database-model)
     3. [SQLAlchemy Models](#53-sqlalchemy-models)
@@ -87,12 +87,12 @@
     10. [ARQ Job Queues](#510-arq-job-queues)
     11. [Rate Limiting](#511-rate-limiting)
     12. [Running](#512-running)
-7. [Running in Production](#6-running-in-production)
-8. [Testing](#7-testing)
-9. [Contributing](#8-contributing)
-10. [References](#9-references)
-11. [License](#10-license)
-12. [Contact](#11-contact)
+6. [Running in Production](#6-running-in-production)
+7. [Testing](#7-testing)
+8. [Contributing](#8-contributing)
+9. [References](#9-references)
+10. [License](#10-license)
+11. [Contact](#11-contact)
 
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 ## 3. Prerequisites