feat: add drone pipeline

.concourse/tasks/test.yml

@@ -5,7 +5,7 @@ image_resource:
   type: registry-image
   source:
     repository: docker.io/golang
-    tag: 1.19-buster
+    tag: 1.20-buster
 
 inputs:
   - name: repo

.drone.yml

@@ -0,0 +1,20 @@
+---
+kind: pipeline
+type: docker
+name: default
+
+steps:
+- name: Lint
+  image: docker.io/golangci/golangci-lint:latest
+  environment:
+    GO111MODULE: "on"
+    CGO_ENABLED: "0"
+    GOMEMLIMIT: "1150MiB"
+  commands:
+    - golangci-lint run -v
+
+- name: Test
+  image: docker.io/golang:1.20-buster
+  commands:
+  - go mod download
+  - go run gotest.tools/gotestsum@latest -f pkgname-and-test-fails -- -race -shuffle=on ./...