REST service to create a new Rasa test story

[turnerrainer]

AS AN Architect I WANT to have a REST service to create a new Rasa test story SO THAT there wouldn't be duplicate services for it

Acceptance Criteria

• [ ] Use POST service /rasa/test-stories/add
• [ ] Input as valid JSON
• [ ] Apply changes on Rasa tests/test_stories.yml
• [ ] Convert input JSON to YAML by using #45
• [ ] Changes apply only in case #112 for the test story name provided as a POST parameter dow not respond with HTTP 200

When creating a new test story, the initial input is fetched by using either using POST endpoints /rasa/rules or /rasa/stories Use POST endpoint /intents/examples to fetch a list of Rasa intents for the specified rules and stories

[RaulAltmae]

Changes apply only in case https://github.com/buerokratt/Training-Module/issues/112 for the test story name provided as a POST parameter dow not respond with HTTP 200

There is wrong issue linked, i think this issue https://github.com/buerokratt/Training-Module/issues/106 is meant to be linked

[RaulAltmae]

sample input for /rasa/test-stories/add

{
  "story": "common_tervitus",
  "steps": [
    {
      "user": "tere\n",
      "intent": "common_tervitus"
    },
    {
      "action": "utter_common_tervitus"
    }
  ]
}

[turnerrainer]

@RaulAltmae please link this issue with an appropriate pull request.

[RaulAltmae]

Pull request https://github.com/buerokratt/Training-Module/pull/166