Add flake8 setup

setup.cfg

@@ -0,0 +1,15 @@
+[flake8]
+ignore = D203
+max-line-length = 160
+exclude =
+    # No need to traverse these directories
+    .git,.github.vscode
+    # There's no value in checking cache directories
+    __pycache__,
+    # The conf file is mostly autogenerated, ignore it
+    docs/source/conf.py,
+    # This contains our built documentation
+    build,
+    # This contains builds of flake8 that we don't want to check
+    dist
+max-complexity = 10

setup.py

@@ -31,7 +31,10 @@
         "Operating System :: POSIX :: Linux",
     ],
     keywords="raspberry pi mlx90640 thermal camera ir flir",
-    python_requires='>=3.6',    
+    python_requires='>=3.6',
+    setup_requires=[
+        "flake8"
+    ],
     include_package_data=True,
-    # What does your project relate to?    
+    # What does your project relate to?
 )