Create sinple buildkite pipeline (#2368)

Author: vchuravy

.buildkite/pipeline.yml

@@ -0,0 +1,18 @@
+steps:
+  - label: "CUDA Julia {{matrix.version}}"
+    matrix:
+      setup:
+        version:
+          - "1.10"
+    plugins:
+      - JuliaCI/julia#v1:
+          version: "{{matrix.version}}"
+    command: |
+      true
+    agents:
+      queue: "juliagpu"
+      cuda: "*"
+    if: build.message !~ /\[skip ci\]/
+    timeout_in_minutes: 60
+    soft_fail:
+      - exit_status: 3