Add linting/formatting and convert to module

lint

@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+
+if ! which flake8 &>/dev/null; then
+    echo "Flake8 is required to lint this project"
+    exit 1
+fi
+
+pushd $( git rev-parse --show-toplevel ) &>/dev/null
+
+echo ">>> Linting..."
+flake8
+ret=$?
+if [[ $ret -eq 0 ]]; then
+    echo "No linting issues found!"
+fi
+
+popd &>/dev/null
+exit $ret