add KDL example file

examples/ci.kdl

@@ -0,0 +1,47 @@
+// This example is a GitHub Action if it used KDL syntax.
+// See .github/workflows/ci.yml for the file this was based on.
+name "CI"
+
+on "push" "pull_request"
+
+env {
+    RUSTFLAGS "-Dwarnings"
+}
+
+jobs {
+  fmt_and_docs "Check fmt & build docs" {
+    runs-on "ubuntu-latest"
+    steps {
+      step uses="actions/checkout@v1"
+      step "Install Rust" uses="actions-rs/toolchain@v1" {
+        profile "minimal"
+        toolchain "stable"
+        components "rustfmt"
+        override true
+      }
+      step "rustfmt" run="cargo fmt --all -- --check"
+      step "docs" run="cargo doc --no-deps"
+    }
+  }
+  build_and_test "Build & Test" {
+    runs-on "${{ matrix.os }}"
+    strategy {
+      matrix {
+        rust "1.46.0" "stable"
+        os "ubuntu-latest", "macOS-latest", "windows-latest"
+      }
+    }
+
+    steps {
+      step uses="actions/checkout@v1"
+      step "Install Rust" uses="actions-rs/toolchain@v1" {
+        profile "minimal"
+        toolchain "${{ matrix.rust }}"
+        components "clippy"
+        override true
+      }
+      step "Clippy" run="cargo clippy --all -- -D warnings"
+      step "Run tests" run="cargo test --all --verbose"
+    }
+  }
+}