👷 Add scripts, stolen from Starlette

scripts/lint.sh

@@ -0,0 +1,5 @@
+#!/bin/sh -e
+set -x
+
+black fastapi tests
+isort --multi-line=3 --trailing-comma --force-grid-wrap=0 --combine-as --line-width 88 --recursive --apply fastapi tests

scripts/test.sh

@@ -0,0 +1,15 @@
+#!/bin/sh -e
+
+export VERSION_SCRIPT="import sys; print('%s.%s' % sys.version_info[0:2])"
+export PYTHON_VERSION=`python -c "$VERSION_SCRIPT"`
+
+set -x
+
+PYTHONPATH=. pytest --cov=fastapi --cov=tests --cov-fail-under=100 --cov-report=term-missing ${@} --cov-report=html
+mypy fastapi --disallow-untyped-defs
+if [ "${PYTHON_VERSION}" = '3.7' ]; then
+    echo "Skipping 'black' on 3.7. See issue https://github.com/ambv/black/issues/494"
+else
+    black fastapi tests --check
+fi
+isort --multi-line=3 --trailing-comma --force-grid-wrap=0 --combine-as --line-width 88 --recursive --check-only fastapi tests