Added instructions

README.md

@@ -9,7 +9,7 @@ Leave Meeting Automatically based on:
 2. Participants/Members left : The meet will Automatically exits when the number of participants fall below the number specified by user
 3. Minutes left : It starts a count down timer and The meet will Automatically exits when countdown hit 00:00.
 
-How to use: \
+# How to use:
 Visit "https://meet.google.com/" (Any google meet) and click on the Extension button
 1. Select your preference.
 2. Enter the Value And click on Tick Button.
@@ -18,10 +18,20 @@ Visit "https://meet.google.com/" (Any google meet) and click on the Extension bu
 
 (anytime to cancel the timer/background process hit Stop Icon).
 
+# How to install
+1. Go to **about:debugging**
+![Step 1](/instructions/step1.png)
+2. Select **This Firefox** on the left
+![Step 2](/instructions/step2.png)
+3. Under **Temporary Extensions** select **Load Temporary Add-on**
+![Step 3](/instructions/step3.png)
+4. Select your **.zip** file and click **Open**
+![Step 4](/instructions/step4.png)
+
 # AUTHOR:
 Original Chrome Extension: Aman Bhatt [ https://github.com/bhattcodes ] \
 Some Fixes: ajaayc [ https://github.com/ajaayc ] \
 Firefox port: me [ https://github.com/Gorbiel ]
 
 # LICENSE: 
-This project is licensed under the [![MIT Licence](https://badges.frapsoft.com/os/mit/mit.png?v=103)](https://opensource.org/licenses/mit-license.php) - see the [LICENSE] file for details
+This project is licensed under the [![MIT License](https://badges.frapsoft.com/os/mit/mit.png?v=103)](https://opensource.org/licenses/mit-license.php) - see the [LICENSE] file for details