[CI] GitHub Actions support

Author: shahmishal

.github/workflows/pull_request.yml

@@ -0,0 +1,34 @@
+name: Pull request
+
+on:
+  pull_request:
+    types: [opened, reopened, synchronize]
+
+jobs:
+  soundness:
+    name: Soundness
+    uses: swiftlang/github-workflows/.github/workflows/soundness.yml@main
+    with:
+      license_header_check_project_name: "VS Code Swift"
+      api_breakage_check_enabled: false
+      docs_check_enabled: false
+      format_check_enabled: false
+
+  tests:
+    name: Test
+    uses: swiftlang/github-workflows/.github/workflows/swift_package_test.yml@main
+    with:
+        linux_env_vars: |
+          NODE_VERSION=v18.19.0
+          NODE_PATH=/usr/local/nvm/versions/node/v18.19.0/bin
+          NVM_DIR=/usr/local/nvm
+          CI=1
+          FAST_TEST_RUN=1
+        linux_pre_build_command: |
+          apt-get update && apt-get install -y rsync curl gpg libasound2 libgbm1 libgtk-3-0 libnss3 xvfb build-essential
+          mkdir -p $NVM_DIR
+          curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.7/install.sh | bash
+          /bin/bash -c "source $NVM_DIR/nvm.sh && nvm install $NODE_VERSION"
+          echo "$NODE_PATH" >> $GITHUB_PATH
+        linux_build_command: ./docker/test.sh
+        enable_windows_checks: false