add .style.yapf for codestyle_ci (#384)

mmglove · web-flow · commit a596e2b6118c · 2020-07-14T10:01:03.000+08:00
diff --git a/.style.yapf b/.style.yapf
@@ -0,0 +1,3 @@
+[style]
+based_on_style = pep8
+column_limit = 80
