Update ToC

README.md

@@ -2,48 +2,47 @@
 
 ## Contents
 
-- [Application Architecture Using Arcane](#application-architecture-using-arcane)
-  - [Contents](#contents)
-  - [Overview](#overview)
+- [Contents](#contents)
+- [Overview](#overview)
   - [Slides](#slides)
   - [Implementations](#implementations)
-  - [Features](#features)
+- [Features](#features)
   - [Overview](#overview-1)
   - [Screen(s)](#screens)
   - [State Management](#state-management)
   - [Feature API](#feature-api)
-  - [Services](#services)
+- [Services](#services)
   - [Service Provider](#service-provider)
   - [Example Service](#example-service)
-  - [Logging](#logging)
+- [Logging](#logging)
   - [Creating a Logging Interface](#creating-a-logging-interface)
   - [Registering Logging Interfaces](#registering-logging-interfaces)
   - [When, Where, What, and How to Log Events](#when-where-what-and-how-to-log-events)
-  - [Secrets and Configuration](#secrets-and-configuration)
+- [Secrets and Configuration](#secrets-and-configuration)
   - [Secrets](#secrets)
     - [Accessing Secrets](#accessing-secrets)
   - [Configuration](#configuration)
-  - [Dependency Injection](#dependency-injection)
-  - [HTTP Client](#http-client)
+- [Dependency Injection](#dependency-injection)
+- [HTTP Client](#http-client)
   - [Client Interface](#client-interface)
   - [Dio Helper](#dio-helper)
   - [Interceptors](#interceptors)
     - [Authorization Interceptor](#authorization-interceptor)
     - [Connectivity Interceptor](#connectivity-interceptor)
-  - [Routing](#routing)
+- [Routing](#routing)
   - [Defining Available Routes](#defining-available-routes)
   - [Redirection Handling](#redirection-handling)
   - [The Router](#the-router)
     - [Using the Router](#using-the-router)
     - [Redirecting Upon Logout](#redirecting-upon-logout)
-  - [App Scaffolding](#app-scaffolding)
+- [App Scaffolding](#app-scaffolding)
     - [AppScaffoldShell](#appscaffoldshell)
   - [AppScaffold](#appscaffold)
-  - [Theming and Styling](#theming-and-styling)
+- [Theming and Styling](#theming-and-styling)
   - [Defining the Theme and Theme Parts](#defining-the-theme-and-theme-parts)
   - [Defining the Application Colors](#defining-the-application-colors)
   - [Applying the Theme](#applying-the-theme)
-  - [Authentication](#authentication)
+- [Authentication](#authentication)
   - [Authentication Interfaces](#authentication-interfaces)
     - [Registering Authentication Interfaces](#registering-authentication-interfaces)
   - [Logging in and out](#logging-in-and-out)