updated README.md

README.md

@@ -30,13 +30,18 @@ change. Our meetings are of 4 types:
 
 ## Proceedings of Previous Meetings & Events
 
+### April 2019
+- [Meeting on 7th](proceedings/2019-04-07.md) [Planning Session]
+
 ### March 2019
 - [Meeting on 17th](proceedings/2019-03-17.md) [Planning Session]
 - [Meeting on 31st](proceedings/2019-03-31.md) [Planning Session]
 
+
 ### February 2019
 - [Meeting on 10th](proceedings/2019-02-10.md) [Planning Session]
 
+
 ### January 2019
 - [Meeting on 13th](proceedings/2019-01-13.md) [Planning Session]
 - [Meeting on 6th](proceedings/2019-01-06.md) [Planning Session]