Add lodash for server-side utility functions

FREEBIE

package.json

@@ -131,6 +131,7 @@
     "electron-config": "^1.0.0",
     "electron-editor-context-menu": "^1.1.1",
     "electron-updater": "^2.1.2",
+    "lodash": "^4.17.4",
     "os-locale": "^2.1.0",
     "semver": "^5.4.1",
     "spellchecker": "^3.4.1"

yarn.lock

@@ -2337,6 +2337,10 @@ lodash@^4.14.0, lodash@^4.3.0, lodash@^4.8.0, lodash@~4.16.4:
   version "4.16.6"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.16.6.tgz#d22c9ac660288f3843e16ba7d2b5d06cca27d777"
 
+lodash@^4.17.4:
+  version "4.17.4"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
+
 lodash@~4.3.0:
   version "4.3.0"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.3.0.tgz#efd9c4a6ec53f3b05412429915c3e4824e4d25a4"