Trying to multi-language travis build

.travis.yml

@@ -1,14 +1,18 @@
 # Infection Monkey travis.yml. See Travis documentation for information about this file structure.
-
 group: travis_latest
 
-language: python
+jobs:
+  include:
+    # The python job
+    - language: python
 
       cache: pip
 
       python:
       - 3.7
 
+      os: linux
+
       install:
       - pip install -r monkey/monkey_island/requirements.txt  # for unit tests
       - pip install flake8 pytest dlint  # for next stages
@@ -46,3 +50,17 @@ notifications:
         email:
             on_success: change
             on_failure: always
+
+  # The JS job
+  - language: node_js
+    cache:
+      directories:
+        - "node_modules"
+    sudo: false
+    script:
+      - pwd
+      - cd monkey_island/cc/ui
+      - pwd
+      - npm i -g eslint
+      - eslint ./src --quiet
+      - eslint ./src --max-warnings 100