Manually caching monorepo package node_modules for travis

.travis.yml

@@ -6,7 +6,30 @@ cache:
   yarn: true
   directories:
     - node_modules
-    - packages/*/node_modules
+    - packages/neutrino-middleware-chunk/node_modules
+    - packages/neutrino-middleware-clean/node_modules
+    - packages/neutrino-middleware-compile-loader/node_modules
+    - packages/neutrino-middleware-copy/node_modules
+    - packages/neutrino-middleware-env/node_modules
+    - packages/neutrino-middleware-eslint/node_modules
+    - packages/neutrino-middleware-font-loader/node_modules
+    - packages/neutrino-middleware-hot/node_modules
+    - packages/neutrino-middleware-html-loader/node_modules
+    - packages/neutrino-middleware-html-template/node_modules
+    - packages/neutrino-middleware-image-loader/node_modules
+    - packages/neutrino-middleware-loader-merge/node_modules
+    - packages/neutrino-middleware-minify/node_modules
+    - packages/neutrino-middleware-named-modules/node_modules
+    - packages/neutrino-middleware-progress/node_modules
+    - packages/neutrino-middleware-start-server/node_modules
+    - packages/neutrino-middleware-style-loader/node_modules
+    - packages/neutrino-preset-airbnb-base/node_modules
+    - packages/neutrino-preset-jest/node_modules
+    - packages/neutrino-preset-karma/node_modules
+    - packages/neutrino-preset-mocha/node_modules
+    - packages/neutrino-preset-node/node_modules
+    - packages/neutrino-preset-react/node_modules
+    - packages/neutrino-preset-web/node_modules
 before_script:
   - yarn
   - yarn bootstrap