Update main.yml

Author: kwagyeman

.github/workflows/main.yml

@@ -2,6 +2,12 @@ name: 'CI'
 
 on:
   push:
+    tags:
+      - 'v*.*.*'
+    branches:    
+      - 'master'
+
+  pull_request:
     branches:    
       - 'master'