Add github metadata

.github/ISSUE_TEMPLATE.md

+* sziszapangma version:
+* Python version:
+* Operating System:
+
+### Description
+
+Describe what you were trying to get done.
+Tell us what happened, what went wrong, and what you expected to happen.
+
+### What I Did
+
+```
+Paste the command(s) you ran and the output.
+If there was a crash, please include the traceback here.
+```

.github/workflows/python-package.yml

+name: Python package
+
+on:
+  pull_request:
+    branches: [ master, develop ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-18.04
+    strategy:
+      matrix:
+        python-version: [ '3.8', '3.9' ]
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install tox
+          pip install --upgrade -r requirements.txt
+          pip install --upgrade -r requirements_dev.txt
+      - name: Run tox
+        run: tox -v