Added CI for making release wheel

.github/workflows/release.yml

@@ -0,0 +1,35 @@
+name: Build
+
+on:
+  push:
+    branches: 
+      - '*'
+  pull_request:
+    branches: 
+      - '*'
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-20.04
+    steps:
+      - uses: actions/checkout@v1
+      - name: Set up Python 3.7
+        uses: actions/setup-python@v2
+        with:
+          python-version: 3.7
+
+      - name: Install dependencies
+        run: |
+          pip install --upgrade pip
+          pip install wheel setuptools
+
+      - name: Build wheel
+        run: python setup.py bdist_wheel --universal
+
+      - name: Upload Python wheel
+        uses: actions/upload-artifact@v2
+        with:
+          name: Python wheel
+          path: ${{github.workspace}}/dist/lungtumormask-*.whl
+          if-no-files-found: error