Preserve permissions

Issue when you tweak read permissions for security, and those
permissions weren't updated.

ci/install-web-files.fish

@@ -24,6 +24,6 @@ if not test -e $sourcePath
 end
 
 # Deploy
-rsync --recursive --verbose --delete-after $sourcePath $destinationPath
+rsync --perms --recursive --verbose --delete-after $sourcePath $destinationPath
 
 exit 0