Add new github actions to run C++ and Python code style checks.

Author: Diptorup Deb

.github/workflows/cpp_style_checks.yml

@@ -0,0 +1,22 @@
+# This is a workflow to format C/C++ sources with clang-format
+
+name: C++ Code Style
+
+# Controls when the action will run. Triggers the workflow on push or pull request
+# events but only for the master branch
+on:
+  pull_request:
+  push:
+    branches: [master]
+
+jobs:
+  formatting-check:
+    name: clang-format
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: Run clang-format style check for C/C++ programs.
+      uses: jidicula/[email protected]
+      with:
+        clang-format-version: '11'
+        check-path: 'dpctl-capi'

.github/workflows/python_style_checks.yml

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+# This is a workflow to format Python code with black formatter
+
+name: Python Code Style
+
+# Controls when the action will run. Triggers the workflow on push or pull request
+# events but only for the master branch
+on:
+  pull_request:
+  push:
+    branches: [master]
+
+# A workflow run is made up of one or more jobs that can run sequentially or in parallel
+jobs:
+  # The isort job sorts all imports in .py, .pyx, .pxd files
+  isort:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-python@v2
+      - uses: jamescurtin/isort-action@master
+
+  black:
+    # The type of runner that the job will run on
+    runs-on: ubuntu-latest
+
+    # Steps represent a sequence of tasks that will be executed as part of the job
+    steps:
+      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
+      - uses: actions/checkout@v2
+      # Set up a Python environment for use in actions
+      - uses: actions/setup-python@v2
+
+      # Run black code formatter
+      - uses: psf/[email protected]
+        with:
+          args: ". --check"
+
+  flake8:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        python-version: [3.7]
+
+    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 flake8
+    - name: Lint with flake8
+      uses: py-actions/flake8@v1