Add workflows to automate package publishing

Author: samwelkanda

.github/RELEASE-TEMPLATE.md

@@ -0,0 +1,4 @@
+# Announcements
+* First announcement
+
+# Changes

.github/workflows/ci.yml

@@ -1,7 +1,7 @@
 # This workflow will install Python dependencies, run tests and lint with a variety of Python versions
 # For more information see: https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions
 
-name: msgraph-sdk-python-core
+name: CI
 
 on:
   pull_request:

.github/workflows/publish.yml

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+name: Publish MsGraph-Core package to TestPyPI
+
+on:
+  release:
+    types:
+      - published
+
+jobs:
+  publish:
+    name: Create release and publish distribution to TestPyPI
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up Python 3.8
+        with:
+          python-version: 3.8
+      - name: Install dependencies
+        run: >-
+          python -m pip install --upgrade pip
+          python -m pip install flit
+      - name: Publish distibution to TestPyPI
+        if: github.repository == 'microsoftgraph/msgraph-sdk-python-core' && github.event_name == 'push' && startsWith(github.ref, 'refs/tags')
+        run: >-
+          flit publish --repository https://test.pypi.org/legacy/ --username msgraphsdkteam --password ${{ secrets.TEST_PYPI_API_TOKEN }}

.github/workflows/release.yml

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+name: Create a release
+
+on:
+  push:
+    tags:
+      - "v*" # Push events to matching v*, i.e. v1.0, v20.15.10
+
+jobs:
+  autorelease:
+    name: Create release
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      - name: Set up Python 3.8
+      - uses: actions/[email protected]
+        with:
+          python-version: 3.8
+      - name: Release Notes
+        run: git log $(git describe HEAD~ --tags --abbrev=0)..HEAD --pretty='format:* %h %s%n  * %an <%ae>' --no-merges >> ".github/RELEASE-TEMPLATE.md"
+      - name: Create Release Draft
+        uses: softprops/action-gh-release@v1
+        with:
+          body_path: ".github/RELEASE-TEMPLATE.md"
+          draft: true
+          files: |
+            dist/msgraph_core-${{env.PROJECT_VERSION}}-py3-none-any.whl
+            dist/msgraph_core-${{env.PROJECT_VERSION}}.tar.gz
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}