Add the config file for the Buildkite pipeline

Author: DilumAluthge

.buildkite/pipeline.yml

@@ -0,0 +1,16 @@
+# env:
+#   SECRET_CODECOV_TOKEN: "..."
+
+steps:
+  - label: "Julia 1.5"
+    plugins:
+      - JuliaCI/julia#v0.5:
+          version: 1.5
+      - JuliaCI/julia-test#v0.3: ~
+      # - JuliaCI/julia-coverage#v0.3:
+      #     codecov: true
+    agents:
+      queue: "juliagpu"
+      cuda: "*"
+    if: build.message !~ /\[skip tests\]/
+    timeout_in_minutes: 60