Add table of contents in readme #192 (#201)

README.md

@@ -7,6 +7,49 @@
 
 embedchain is a framework to easily create LLM powered bots over any dataset. If you want a javascript version, check out [embedchain-js](https://github.com/embedchain/embedchainjs)
 
+# Table of Contents
+
+- [Latest Updates](#latest-updates)
+- [What is embedchain?](#what-is-embedchain)
+- [Getting Started](#getting-started)
+  - [Installation](#installation)
+  - [Usage](#usage)
+    - [App Types](#app-types)
+      - [1. App (uses OpenAI models, paid)](#1-app-uses-openai-models-paid)
+      - [2. OpenSourceApp (uses opensource models, free)](#2-opensourceapp-uses-opensource-models-free)
+      - [3. PersonApp (uses OpenAI models, paid)](#3-personapp-uses-openai-models-paid)
+    - [Add Dataset](#add-dataset)
+  - [Interface Types](#interface-types)
+    - [Query Interface](#query-interface)
+    - [Chat Interface](#chat-interface)
+  - [Format supported](#format-supported)
+    - [Youtube Video](#youtube-video)
+    - [PDF File](#pdf-file)
+    - [Web Page](#web-page)
+    - [Doc File](#doc-file)
+    - [Text](#text)
+    - [QnA Pair](#qna-pair)
+    - [Reusing a Vector DB](#reusing-a-vector-db)
+    - [More Formats coming soon](#more-formats-coming-soon)
+  - [Testing](#testing)
+- [Advanced](#advanced)
+  - [Configuration](#configuration)
+    - [Example](#example)
+    - [Configs](#configs)
+      - [InitConfig](#initconfig)
+      - [Add Config](#add-config)
+      - [Query Config](#query-config)
+      - [Chat Config](#chat-config)
+  - [Other methods](#other-methods)
+    - [Reset](#reset)
+    - [Count](#count)
+- [How does it work?](#how-does-it-work)
+- [Tech Stack](#tech-stack)
+- [Team](#team)
+  - [Author](#author)
+  - [Maintainer](#maintainer)
+  - [Citation](#citation)
+
 # Latest Updates
 
 - Introduce a new interface called `chat`. It remembers the history (last 5 messages) and can be used to powerful stateful bots. You can use it by calling `.chat` on any app instance. Works for both OpenAI and OpenSourceApp.