Boot strap github actions

A initial workflow needs to be defined for actions to trigger on pull
requests, so just add a minimal, dummy one.

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
new file mode 100644 (file)
index 0000000..7979e52
--- /dev/null
+++ b/.github/workflows/build.yml
@@ -0,0 +1,9 @@
+name: Build
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2