dev: harden resolver bootstrap and simplify update settings

scripts/build_local_kodi_repo.sh

@@ -118,6 +118,8 @@ md5 = hashlib.md5(addons_xml.read_bytes()).hexdigest()
 md5_file.write_text(md5, encoding="ascii")
 PY
 
+python3 "${ROOT_DIR}/scripts/verify_repo_artifacts.py" "${REPO_DIR}" >/dev/null
+
 echo "Repo built:"
 echo "  ${REPO_DIR}/addons.xml"
 echo "  ${REPO_DIR}/addons.xml.md5"