Fix missing dependency

package.json

@@ -191,6 +191,7 @@
     "libxmljs": "0.19.7",
     "lint-staged": "^9.2.0",
     "maildev": "^1.0.0-rc3",
+    "marked": "^0.8.0",
     "marked-man": "^0.7.0",
     "mocha": "^7.0.0",
     "mocha-parallel-tests": "^2.2.1",

yarn.lock

@@ -3612,6 +3612,11 @@ marked-man@^0.7.0:
   resolved "https://registry.yarnpkg.com/marked-man/-/marked-man-0.7.0.tgz#220ba01d275d16f1a98e4e7fc3c5eac0630c68e4"
   integrity sha512-zxK5E4jbuARALc+fIUAanM2njVGnrd9YvKrqoDHUg2XwNLJijo39EzMIg59LecHBHsIHNtPqepqnJp4SmL/EVg==
 
+marked@^0.8.0:
+  version "0.8.0"
+  resolved "https://registry.yarnpkg.com/marked/-/marked-0.8.0.tgz#ec5c0c9b93878dc52dd54be8d0e524097bd81a99"
+  integrity sha512-MyUe+T/Pw4TZufHkzAfDj6HarCBWia2y27/bhuYkTaiUnfDYFnCP3KUN+9oM7Wi6JA2rymtVYbQu3spE0GCmxQ==
+
 md5@^2.2.1:
   version "2.2.1"
   resolved "https://registry.yarnpkg.com/md5/-/md5-2.2.1.tgz#53ab38d5fe3c8891ba465329ea23fac0540126f9"