Updating README.

Author: sagrawal31

README.md

@@ -9,7 +9,7 @@ This plugin brings push notifications, analytics, event tracking, crash reportin
 <!-- toc -->
 
 - [Difference from the fork repository](#difference-from-the-fork-repository)
-  * [Confirm your Cordova environment versions](#confirm-your-cordova-environment-versions)
+- [Confirm your Cordova environment versions](#confirm-your-cordova-environment-versions)
 - [Major Releases](#major-releases)
   * [v5.x](#v5x)
     + [Supported Cordova Platforms](#supported-cordova-platforms)
@@ -19,9 +19,7 @@ This plugin brings push notifications, analytics, event tracking, crash reportin
     + [Supported Cordova Platforms](#supported-cordova-platforms-2)
 - [Installation](#installation)
   * [Uninstall the original firebase plugin](#uninstall-the-original-firebase-plugin)
-  * [For `cordova-cli >= 9.x.x` && (`cordava-ios >= 5.0.1` || `cordava-android >= 8.x.x`)](#for-cordova-cli--9xx--cordava-ios--501--cordava-android--8xx)
-  * [For `cordova-cli = 4.5.0` || `cordova-android >= 8.x.x`)](#for-cordova-cli--450--cordova-android--8xx)
-  * [For `cordova-cli <= 7.1.0` && (`cordava-ios <= 4.5.5` || `cordova-android <= 7.1.4`)](#for-cordova-cli--710--cordava-ios--455--cordova-android--714)
+  * [Now install this plugin](#now-install-this-plugin)
   * [AndroidX](#androidx)
 - [Guides](#guides)
   * [Setup](#setup)
@@ -45,7 +43,7 @@ application. To see a full list of changes done after we started maintaining thi
 [Releases](https://github.com/wizpanda/cordova-plugin-firebase-lib/releases) or read the
 [CHANGELOG.md](https://github.com/wizpanda/cordova-plugin-firebase-lib/blob/master/CHANGELOG.md#v300)
 
-### Confirm your Cordova environment versions
+## Confirm your Cordova environment versions
 
 Before you continue installing this plugin, please confirm your Cordova environment versions. You can either get everything by just 
 running:
@@ -112,23 +110,25 @@ rm -rf platforms/android
 cordova plugin remove cordova-plugin-firebase
 ```
 
-### For `cordova-cli >= 9.x.x` && (`cordava-ios >= 5.0.1` || `cordava-android >= 8.x.x`)
+### Install this plugin
+
+**For `cordova-cli >= 9.x.x` && (`cordava-ios >= 5.0.1` || `cordava-android >= 8.x.x`)**
 
 Use the latest major releases just by running:
 
 ```bash
-cordova plugin add cordova-plugin-firebase-lib --save
+cordova plugin add cordova-plugin-firebase-lib
 ```
 
-### For `cordova-cli <= 8.1.1` && (`cordava-ios >= 4.5.0` || `cordova-android >= 8.x.x`) 
+**For `cordova-cli <= 8.1.1` && (`cordava-ios <= 4.5.5` || `cordova-android >= 8.x.x`)** 
 
 Use the v4.x release by running:
 
 ```bash
 cordova plugin add [email protected] --save
 ```
 
-### For `cordova-cli <= 7.1.0` && (`cordava-ios <= 4.5.5` || `cordova-android <= 7.1.4`)
+**For `cordova-cli <= 7.1.0` && (`cordava-ios <= 4.5.5` || `cordova-android <= 7.1.4`)**
 
 Run the following in your terminal: