add woodpecker config

.woodpecker.yml

@@ -0,0 +1,9 @@
+pipeline:
+  build:
+    image: rust
+    commands:
+      - rustup component add rustfmt clippy
+      - cargo --version
+      - cargo fmt --check
+      - cargo clippy --fix -- -Dwarnings -W clippy::nursery -W clippy::unwrap_used -W clippy::expect_used
+      - cargo test