[docs] Add my TestCafe Cucumber steps plugin (#4700)

* Add my TestCafe Cucumber steps plugin

* Edit README.md

* Use node 10 for docs

* Fix the major version for markdownlint

Co-authored-by: Vasily Strelyaev <[email protected]>
Co-authored-by: Andrey Belym <[email protected]>

.travis-docs.yml

@@ -1,7 +1,7 @@
 language: node_js
 matrix:
  include:
-  - node_js: "8"
+  - node_js: "10"
     env: GULP_TASK="test-docs-travis" JEKYLL_ENV="testing"
  fast_finish: true
 

README.md

@@ -294,6 +294,11 @@ TestCafe developers and community members made these plugins:
   Use ESLint when writing and editing TestCafe tests.
   * [ESLint plugin](https://github.com/miherlosev/eslint-plugin-testcafe) (by [@miherlosev](https://github.com/miherlosev))
 
+* **Cucumber Support**<br/>
+  Create and run tests that use the Cucumber syntax.
+  * [gherkin-testcafe](https://github.com/kiwigrid/gherkin-testcafe) (by [@kiwigrid](https://github.com/kiwigrid)) - run your Cucumber tests with TestCafe as a backend. Requires [CucumberJS](https://github.com/cucumber/cucumber-js).
+  * [testcafe-cucumber-steps](https://github.com/Marketionist/testcafe-cucumber-steps) (by [@Marketionist](https://github.com/Marketionist)) - provides predefined Cucumber steps for [gherkin-testcafe](https://github.com/kiwigrid/gherkin-testcafe).
+
 ## Different Versions of TestCafe
 
 | &nbsp; | [TestCafe](https://devexpress.github.io/testcafe) | [TestCafe Studio](https://www.devexpress.com/products/testcafestudio/?utm_source=github.com&utm_medium=referral&utm_campaign=tc-gh-diff)  |

package.json

@@ -177,7 +177,7 @@
     "gulp-webmake": "0.0.4",
     "js-yaml": "^3.6.1",
     "license-checker": "^20.0.0",
-    "markdownlint": ">=0.0.8",
+    "markdownlint": "^0.19.0",
     "merge-stream": "^1.0.1",
     "minimist": "^1.2.0",
     "multer": "^1.1.0",