Semaphore2 (#264)

* start semaphore v2 yml file

* lint semaphore and buildkite yaml files

Author: bahmutov

.semaphore/semaphore.yml

@@ -0,0 +1,20 @@
+# copied from https://docs.semaphoreci.com/article/50-pipeline-yaml
+version: v1.0
+name: Cypress example Kitchensink
+agent:
+  machine:
+    type: e1-standard-2
+    os_image: ubuntu1804
+
+blocks:
+  - name: Inspect Linux environment
+    task:
+      jobs:
+        - name: First task
+          commands:
+            - echo $SEMAPHORE_PIPELINE_ID
+            - echo $HOME
+            - echo $SEMAPHORE_GIT_DIR
+      prologue:
+          commands:
+            - checkout

README.md

@@ -21,7 +21,7 @@ Codeship Pro | [ ![Codeship Pro CI](https://app.codeship.com/projects/8d6a20c0-b
 GitLab | [![GitLab CI](https://gitlab.com/cypress-io/cypress-example-kitchensink/badges/master/pipeline.svg)](https://gitlab.com/cypress-io/cypress-example-kitchensink/commits/master) | [basic/.gitlab-ci.yml](basic/.gitlab-ci.yml) | [.gitlab-ci.yml](.gitlab-ci.yml)
 Heroku CI | | [basic/app.json](basic/app.json) |
 Jenkins | | [basic/Jenkinsfile](basic/Jenkinsfile) | [Jenkinsfile](Jenkinsfile)
-Semaphore | [![Semaphore CI](https://semaphoreci.com/api/v1/cypress-io/cypress-example-kitchensink/branches/master/badge.svg)](https://semaphoreci.com/cypress-io/cypress-example-kitchensink)
+Semaphore v2 | [![Semaphore CI](https://semaphoreci.com/api/v1/cypress-io/cypress-example-kitchensink/branches/master/badge.svg)](https://semaphoreci.com/cypress-io/cypress-example-kitchensink) | [.semaphore/semaphore.yml](.semaphore/semaphore.yml)
 Shippable | [![Shippable CI](https://api.shippable.com/projects/56c38fdc1895ca4474743010/badge?branch=master)](https://app.shippable.com/github/cypress-io/cypress-example-kitchensink) | [shippable.yml](shippable.yml)
 Travis | [![Travis CI](https://travis-ci.org/cypress-io/cypress-example-kitchensink.svg?branch=master)](https://travis-ci.org/cypress-io/cypress-example-kitchensink) | [basic/.travis.yml](basic/.travis.yml) | [.travis.yml](.travis.yml)
 

package.json

@@ -18,7 +18,7 @@
     "pretest": "npm run lint && npm run types",
     "print-env": "print-env",
     "lint": "eslint --fix cypress/**/*.js app/assets/js/scripts.js",
-    "lint:yaml": "yamllint '*.yml' 'basic/*.yml'",
+    "lint:yaml": "yamllint '*.yml' 'basic/*.yml' .buildkite/pipeline.yml .semaphore/semaphore.yml",
     "colon:names": "colon-names",
     "e2e": "cypress run",
     "e2e:chrome": "cypress run --browser chrome",