docs: update README.md

Author: FacerAin

README.md

@@ -10,22 +10,37 @@ This package uses the **[FFmpeg](https://ffmpeg.org)** to package media content
 - In this version(>=v0.1.0) all codes are rewritten from scratch. If you find any bugs in the library, please **[file an issue](https://github.com/aminyazdanpanah/python-ffmpeg-video-streaming/issues)**. **[Pull requests](https://github.com/aminyazdanpanah/python-ffmpeg-video-streaming/pulls)** are also welcome.
 
 **Contents**
-- [Requirements](#requirements)
-- [Installation](#installation)
-- [Quickstart](#quickstart)
-  - [Opening a Resource](#opening-a-resource)
-  - [DASH](#dash)
-  - [HLS](#hls)
-    - [Encryption(DRM)](#encryptiondrm)
-  - [Transcoding](#transcoding)
-  - [Saving Files](#saving-files)
-  - [Metadata](#metadata)
-  - [Conversion](#conversion)
-- [Several Open Source Players](#several-open-source-players)
-- [FAQs](#faqs)
-- [Contributing and Reporting Bugs](#contributing-and-reporting-bugs)
-- [Credits](#credits)
-- [License](#license)
+- [📼 Python FFmpeg Video Streaming](#-python-ffmpeg-video-streaming)
+  - [Overview](#overview)
+  - [Requirements](#requirements)
+  - [Installation](#installation)
+  - [Quickstart](#quickstart)
+    - [Opening a Resource](#opening-a-resource)
+      - [1. From an FFmpeg supported resource](#1-from-an-ffmpeg-supported-resource)
+      - [2. From Clouds](#2-from-clouds)
+      - [3. Capture Webcam or Screen (Live Streaming)](#3-capture-webcam-or-screen-live-streaming)
+    - [DASH](#dash)
+    - [HLS](#hls)
+      - [Encryption(DRM)](#encryptiondrm)
+        - [Single Key](#single-key)
+        - [Key Rotation](#key-rotation)
+        - [DRM](#drm)
+    - [Transcoding](#transcoding)
+        - [Output From a Terminal:](#output-from-a-terminal)
+    - [Saving Files](#saving-files)
+      - [1. To a Local Path](#1-to-a-local-path)
+      - [2. To Clouds](#2-to-clouds)
+      - [3. To a Server Instantly](#3-to-a-server-instantly)
+    - [Metadata](#metadata)
+    - [Conversion](#conversion)
+      - [1. HLS To DASH](#1-hls-to-dash)
+      - [2. DASH To HLS](#2-dash-to-hls)
+      - [3. Stream(DASH or HLS) To File](#3-streamdash-or-hls-to-file)
+  - [Several Open Source Players](#several-open-source-players)
+  - [FAQs](#faqs)
+  - [Contributing and Reporting Bugs](#contributing-and-reporting-bugs)
+  - [Credits](#credits)
+  - [License](#license)
 
 ## Requirements
 1. This version of the package is only compatible with **[Python 3.8](https://www.python.org/downloads/)** or higher.
@@ -179,6 +194,7 @@ You can get realtime information about the transcoding using the following code.
 ```python
 from ffmpeg_streaming import Formats
 import sys
+import datetime
 
 def monitor(ffmpeg, duration, time_, time_left, process):
     """