Add releese notes

README.md

@@ -28,7 +28,7 @@ You can buy me a beer: LMnqhR1Fof6qf6uU971AmhaDQQSveJUENMUnwmu167x 😆 🍻 (So
 - The extension pop-up allows you to :
     - Enable/Disable ranks to be shown.
         ![Settings png](images/Settings.png)
-    - Enter your own thresholds for colouring ranks.
+    - Enter your own thresholds and colors for colouring ranks.
     - Enter your own mappings. On mappings page you can enter your own mappings to make sure that we
     find the rankings. The names can be found at the end of the urls:
         - For example if we want to map The Tower collection on Magic Eden with rankings from Moonrank.
@@ -96,4 +96,13 @@ You can buy me a beer: LMnqhR1Fof6qf6uU971AmhaDQQSveJUENMUnwmu167x 😆 🍻 (So
 
 - 1.0 Initial Version
 
+- 1.2 Release info:
+    - New changes/ added features:
+        - Thresholds - now you can set your own thresholds for colorouring and choose your own colors.
+        - When you enable/disable ranks the changes are reflected immediatly in the UI.
+        - Added mappings for collections that can be seen on howrare and don't follow a predictable pattern
+        - Removed to column for Moonrank in Mappings page as this is not needed from now on. 
+    - Fixed bugs:
+    	a. Issue with magiceden when you switch to Activity tab and come back the ranks were not shown.
+    	b. Issue with magiceden when you go into detail page and come back the ranks were not shown.