👷 add drone.yml

.drone.yml

@@ -0,0 +1,16 @@
+kind: pipeline
+type: docker
+name: default
+
+steps:
+- name: test
+  image: rust:1.65
+  commands:
+  # Format
+  - rustup component add rustfmt
+  - cargo fmt --verbose --all -- --check
+  # Lint
+  - rustup component add clippy
+  - cargo clippy --verbose --all -- -D warnings
+  # Test
+  - cargo test --verbose --all