Add CI to run examples via github action

.github/workflows/main.yml

@@ -0,0 +1,31 @@
+name: Run Examples
+
+on:
+ push:
+   branches: [ master ]
+ pull_request:
+   branches: [ master ]
+
+jobs:
+  test:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python 3.8
+      uses: actions/setup-python@v2
+      with:
+        python-version: 3.8
+    - name: Install PyTorch
+      run: |
+        python -m pip install --upgrade pip
+        # Install CPU-based pytorch
+        pip install --pre torch torchvision -f https://download.pytorch.org/whl/nightly/cpu/torch_nightly.html
+        # Maybe use the CUDA 10.2 version instead?
+        # pip install --pre torch torchvision -f https://download.pytorch.org/whl/nightly/cu102/torch_nightly.html
+    - name: Run Tests
+      run: |
+        ./run_python_examples.sh "install_deps,run_all,clean"
+
+

README.md

@@ -1,4 +1,5 @@
 # PyTorch Examples
+![github CI](https://github.com/pytorch/pytorch-examples/workflows/.github/workflows/main.yml/badge.svg)
 
 A repository showcasing examples of using [PyTorch](https://github.com/pytorch/pytorch)