added lodash

package-lock.json

@@ -11998,9 +11998,9 @@
       }
     },
     "lodash": {
-      "version": "4.17.14",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.14.tgz",
-      "integrity": "sha512-mmKYbW3GLuJeX+iGP+Y7Gp1AiGHGbXHCOh/jZmrawMmsE7MS4znI3RL2FsjbqOyMayHInjOeykW7PEajUk1/xw=="
+      "version": "4.17.15",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
+      "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A=="
     },
     "lodash-es": {
       "version": "4.17.5",

package.json

@@ -42,6 +42,7 @@
     "koa-route": "^3.1.0",
     "koa-session": "^4.0.0",
     "koa-static": "^3.0.0",
+    "lodash": "^4.17.15",
     "markdown": "^0.5.0",
     "moment": "^2.22.2",
     "mongodb": "^2.1.14",