DX-1612 added simple PR check

.github/actions/validate/Dockerfile

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+# Container image that runs your code
+FROM python:3
+
+# Copies your code file from your action repository to the filesystem path `/` of the container
+COPY entrypoint.sh /entrypoint.sh
+
+#Make entrypoint.sh exacutable
+RUN chmod +x /entrypoint.sh
+
+# Code file to execute when the docker container starts up (`entrypoint.sh`)
+ENTRYPOINT ["/entrypoint.sh"]

.github/actions/validate/action.yml

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+# action.yml
+name: 'Validate'
+description: 'Validates the package'
+runs:
+  using: 'docker'
+  image: 'Dockerfile'

.github/actions/validate/entrypoint.sh

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+#!/bin/sh
+
+pip install twine
+pip install wheel
+python setup.py sdist bdist_wheel
+
+twine check dist/*

.github/workflows/validate.yaml

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+name: Validate SDK
+
+on:
+  pull_request:
+    branches:
+      - 'master'
+
+jobs:
+  deploy:
+    name: Validate
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+    - name: Validate
+      uses: ./.github/actions/validate