--- PKGBUILD.orig	2017-08-16 13:20:47.041444722 +0200
+++ PKGBUILD.new	2017-08-16 15:45:56.876948778 +0200
@@ -83,2 +126,9 @@
   done
+  find -maxdepth 1 -type f -and -name '*.conf' | while read _toolconffile ; do
+      install -D -m644 "${_toolconffile}" \
+        "${pkgdir}/usr/lib/claws-mail/tools/${_toolconffile}"
+  done
+  for _toolsfile in README; do
+      install -D -m644 "${_toolsfile}" "${pkgdir}/usr/lib/claws-mail/tools/${_toolsfile}"
+  done
 }