added pipeline

.gitlab-ci.yml

+stages:
+  - rails-update
+  - test-baseline
+  - submit-baseline
+
+.aicrowd-setup: &aicrowd-setup
+  image: python:3.8
+  before_script:
+    - git clone https://github.com/AIcrowd/aicrowd-cli.git && cd aicrowd-cli
+    - pip install -r requirements.txt
+    - python setup.py develop
+    - cd ..
+    - aicrowd evaluations login -e "${SUPER_USER_EMAIL}" -p "${SUPER_USER_PASSWORD}"
+
+rails-update:
+  stage: rails-update
+  image: python:3.8-slim
+  before_script:
+    - pip install pyyaml requests markdown
+  script:
+    - python utils.py
+  only:
+    changes:
+      - README.md
+ 
+test-baseline: 
+  stage: test-baseline
+  image: python:3.8
+  before_script: 
+    - apt install curl
+    - curl -o /usr/local/bin/jq http://stedolan.github.io/jq/download/linux64/jq && chmod +x /usr/local/bin/jq
+    - pip install yq
+    - pip install jupyter
+  script:
+    - export BASELINE=`yq -r .official_baseline aicrowd.yaml | awk -F. '{print $1}'`
+    - jupyter nbconvert --to python baselines/${BASELINE}.ipynb
+    - ipython baselines/${BASELINE}.py
+  artifacts:
+    paths:
+      - submission.csv
+  only:
+    changes:
+      - baselines/*
+
+submit-baseline:
+  stage: submit-baseline
+  <<: *aicrowd-setup
+  script:
+    - apt install curl
+    - curl -o /usr/local/bin/jq http://stedolan.github.io/jq/download/linux64/jq && chmod +x /usr/local/bin/jq
+    - pip install yq
+    - export CHALLENGE_NAME=`yq -r .challenge_name aicrowd.yaml`
+    - export EVALUATIONS_API_TOKEN=`yq -r .aicrowd_evaluations_token ~/.aicrowd/config.yaml`
+    - export GRADER_ID=`curl -k -X GET "https://evaluations-api.internal.k8s.aicrowd.com/v1/graders/?name=${CHALLENGE_NAME}" 
+        -H "accept:application/json" 
+        -H "AUTHORIZATION:${EVALUATIONS_API_TOKEN}" | jq '.[length-1].id'`  
+    - aicrowd evaluations submission create --file ./submission.csv -g ${GRADER_ID} --wait
+  only:
+    changes:
+      - baselines/*
+