fix(build): Add gatsby-cli to deps

client/package-lock.json

@@ -7142,6 +7142,45 @@
         }
       }
     },
+    "gatsby-cli": {
+      "version": "2.4.2",
+      "resolved": "https://registry.npmjs.org/gatsby-cli/-/gatsby-cli-2.4.2.tgz",
+      "integrity": "sha512-NUVU0+w8DG3Bihh8bZcr9AHiubvV0NRObu8esmKqVdUvsb+yTmDErSA4AOq4sbviIST/beLCH67je46S1bJpIw==",
+      "requires": {
+        "@babel/code-frame": "^7.0.0",
+        "@babel/runtime": "^7.0.0",
+        "bluebird": "^3.5.0",
+        "common-tags": "^1.4.0",
+        "convert-hrtime": "^2.0.0",
+        "core-js": "^2.5.0",
+        "envinfo": "^5.8.1",
+        "execa": "^0.8.0",
+        "fs-exists-cached": "^1.0.0",
+        "fs-extra": "^4.0.1",
+        "hosted-git-info": "^2.6.0",
+        "lodash": "^4.17.10",
+        "opentracing": "^0.14.3",
+        "pretty-error": "^2.1.1",
+        "resolve-cwd": "^2.0.0",
+        "source-map": "^0.5.7",
+        "stack-trace": "^0.0.10",
+        "update-notifier": "^2.3.0",
+        "yargs": "^11.1.0",
+        "yurnalist": "^0.2.1"
+      },
+      "dependencies": {
+        "fs-extra": {
+          "version": "4.0.3",
+          "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-4.0.3.tgz",
+          "integrity": "sha512-q6rbdDd1o2mAnQreO7YADIxf/Whx4AHBiRf6d+/cVT8h44ss+lHgxf1FemcqDnQt9X3ct4McHr+JMGlYSsK7Cg==",
+          "requires": {
+            "graceful-fs": "^4.1.2",
+            "jsonfile": "^4.0.0",
+            "universalify": "^0.1.0"
+          }
+        }
+      }
+    },
     "gatsby-link": {
       "version": "2.0.0-rc.2",
       "resolved": "https://registry.npmjs.org/gatsby-link/-/gatsby-link-2.0.0-rc.2.tgz",

client/package.json

@@ -24,6 +24,7 @@
     "enzyme-adapter-react-16": "^1.5.0",
     "fetchr": "^0.5.37",
     "gatsby": "^2.0.0-rc.15",
+    "gatsby-cli": "^2.4.2",
     "gatsby-link": "^2.0.0-rc.2",
     "gatsby-plugin-create-client-paths": "^2.0.0-rc.1",
     "gatsby-plugin-manifest": "next",