add linter

Taskfile.yml

@@ -3,13 +3,26 @@ version: '3'
 silent: true
 
 tasks:
+  install:
+    desc: install tools required for development or build
+    cmds: [ task: install-golangci-lint ]
+
+  install-golangci-lint:
+    desc: install golangci-lint
+    cmds: [ third_party/golangci-lint/download.sh ]
+
   world:
     desc: run - literally - evertyhing ;)
     cmds:
+      - task: lint
       - task: test
 
   test:
     cmds: [ go test ./... ]
 
+  lint:
+    desc: lint app
+    cmds: [ third_party/golangci-lint/golangci-lint run ]
+
   default:
     cmds: [ task: world ]