Update readme (#127)

README.md

@@ -156,7 +156,17 @@ If you want to style weekends to be distinguishable from weekdays, you can set t
 
 ![how-to-weekend](./images/how-to-weekend.png)
 
-### Weekly Notes
+### Weekly Notes (deprecated)
+
+#### Weekly notes have a new home
+
+The weekly note functionality has been split out into its [very own plugin](https://github.com/liamcain/obsidian-weekly-notes). In the future, the functionality will be removed from the Calendar plugin; so if you're currently using weekly notes, I encourage you to make the switch. Don't worry, the behavior is functionally identical and will still integrate with the calendar view!
+
+This split was inspired by the [One Thing Well](https://en.wikipedia.org/wiki/Unix_philosophy) philosophy. Plugins should be as modular. Some users might want weekly notes and have no use for a calendar view. And Vice versa.
+
+If you are currently using weekly notes within the Calendar plugin, the new Weekly Notes plugin will migrate your settings for you automatically.
+
+### Usage
 
 You can open **weekly notes** in 2 ways: searching `Calendar: open weekly note` in the command palette or by clicking on the week number. Weekly notes can be configured from the Calendar settings. There are 3 settings: