Create Circle CI config for running code checks

.circleci/config.yml

@@ -0,0 +1,33 @@
+version: 2.1
+
+jobs:
+  run_checks:
+    docker:
+    - image: python:3.7
+    working_directory: ~/burnham/application
+    steps:
+    - checkout:
+        path: ~/burnham/
+    - run:
+        name: Install tox
+        command: |
+          python -m pip install --upgrade pip
+          python -m pip install tox
+    - run:
+        name: Run mypy
+        command: |
+          tox -e mypy
+    - run:
+        name: Run flake8
+        command: |
+          tox -e flake8
+    - run:
+        name: Run py37
+        command: |
+          tox -e py37
+
+workflows:
+  version: 2
+  build:
+    jobs:
+    - run_checks