Add drone file

Author: Licenser

.drone.yml

@@ -0,0 +1,46 @@
+kind: pipeline
+name: test-on-avx2
+
+platform:
+  arch: amd64
+
+steps:
+- name: test
+  image: rust:1
+  environment:
+    RUSTFLAGS: '-C target-cpu=native'
+  commands:
+  - cargo build --verbose --all
+  - cargo test --verbose --all
+
+---
+
+kind: pipeline
+name: test-on-sse42
+
+platform:
+  arch: amd64
+
+steps:
+- name: test
+  image: rust:1
+  environment:
+    RUSTFLAGS: '-C target-cpu=native -C target-feature=-avx2'
+  commands:
+  - cargo build --verbose --all
+  - cargo test --verbose --all
+
+---
+
+kind: pipeline
+name: test-on-arm64
+
+platform:
+  arch: arm64
+
+steps:
+- name: test
+  image: rust:1
+  commands:
+  - cargo build --verbose --all
+  - cargo test --verbose --all