(ci)Add npm script to run linter (#165)

* (ci)Add npm script to run linter

This branch adds the ability to check linting by running `npm run lint`.

The configuration is present at `.eslintrc` and focuses on the
directories: src/ and test/

Future change: run it as a job with Travis CI.

* (ci)add linting to travis

* (core) undo changes for build/ file

* (chore) change eslint to run with an allow list

.travis.yml

@@ -7,4 +7,12 @@ before_script:
   - chmod +x ./cc-test-reporter
   - ./cc-test-reporter before-build
 after_script:
-  - ./cc-test-reporter after-build --exit-code $TRAVIS_TEST_RESULT
+  - ./cc-test-reporter after-build --exit-code $TRAVIS_TEST_RESULT
+jobs:
+  include:
+    - stage: test
+      name: "Unit Tests"
+      script: npm run test
+    - stage: check
+      name: "Linting"
+      script: npm run lint

PULL_REQUEST_TEMPLATE.md

@@ -10,6 +10,5 @@ TODO or DELETE
 - [ ] All existing tests passed.
     - [ ] I have added tests to cover my changes, of which pass.
 - [ ] I have [compared](https://github.com/hoverinc/ray-tracing-renderer/wiki/Contributing#comparing-changes) the render output of my branch to `master`.
-- [ ] My code has passed the ESLint configuration for this project.
 - [ ] My change requires modifications to the documentation.
     - [ ] I have updated the documentation accordingly.