Add paths-ignore docs to ci (#1190)

Signed-off-by: Fiachra Corcoran <[email protected]>

Author: efiacor

.github/workflows/ci.yaml

@@ -4,10 +4,14 @@ on:
   push:
     branches:
       - master
+    paths-ignore:
+    - 'documentation/**' 
   pull_request:
     branches:
       - master
       - "*/v[0-9]+.[0-9]+"
+    paths-ignore:
+    - 'documentation/**' 
   schedule:
     - cron: "0 17 * * *"