Add ci

.github/workflows/ci.yaml

@@ -0,0 +1,35 @@
+name: CI
+on: [push, pull_request]
+
+jobs:
+  ci:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up environment
+        run: |
+          sudo apt-get update
+          ./ci/env/install-miniconda.sh
+          ./ci/env/install-bazel.sh
+          pip install -r python/requirements.txt
+
+      - name: Run core tests
+        run: |
+          ./ci/ci.sh test_core
+          ./ci/ci.sh test_python
+
+      - name: Run C++ tests
+        run: ./ci/ci.sh test_cpp
+
+      - name: Run wheel tests
+        run: ./ci/ci.sh test_wheels
+
+      - name: Upload test artifacts
+        if: always()
+        uses: actions/upload-artifact@v4
+        with:
+          name: test-results
+          path: |
+            /tmp/artifacts/test-summaries/*
+            /tmp/ray/session_latest/logs/*