feat(ci): add buildkite config

mokou · fmoko · commit b049fa2c84db · 2020-04-08T12:08:37.000+02:00
diff --git a/buildkite.yml b/buildkite.yml
@@ -0,0 +1,5 @@
+steps:
+  - label: "Test with stable"
+    command: rustup run stable cargo test
+  - label: "Test with beta"
+    command: rustup run beta cargo test
