Add Semaphore to Python Flask applications (#12)

* Update Semaphore configuration

* Update Semaphore configuration

* Update Semaphore configuration

* Update Semaphore configuration

* Update Semaphore configuration

* Update Semaphore configuration

* Update Semaphore configuration

* Update Semaphore configuration

Author: awolfden

.semaphore/semaphore.yml

@@ -0,0 +1,23 @@
+version: v1.0
+name: Initial Pipeline
+agent:
+  machine:
+    type: e1-standard-2
+    os_image: ubuntu2004
+blocks:
+  - name: Python Flask Example Apps
+    task:
+      jobs:
+        - name: python lint
+          commands:
+            - sem-version python 3.8
+            - 'flake8 . --count --select=E9,F7,F82 --show-source --statistics'
+            - flake8 . --count --exit-zero --max-complexity=10 --statistics
+      prologue:
+        commands:
+          - checkout
+          - sem-version python 3.8
+          - python -m pip install --upgrade pip
+          - 'pip install -e .[dev]'
+          - pip install flake8
+          - pip install black