chore: setup golangci-lint config file

Signed-off-by: Matthieu MOREL <matthieu.morel35@gmail.com>

.gitattributes

@@ -0,0 +1,4 @@
+# ensure that line endings for Windows builds are properly formatted
+# see https://github.com/golangci/golangci-lint-action?tab=readme-ov-file#how-to-use
+# at "Multiple OS Example" section
+*.go text eol=lf

.golangci.yaml

@@ -0,0 +1,16 @@
+issues:
+  max-same-issues: 0
+linters:
+  disable-all: true
+  enable: # please keep this alphabetized
+    - errcheck
+    - gofmt
+    - goimports
+    - gosimple
+    - govet
+    - ineffassign
+    - staticcheck
+    - unused
+linters-settings: # please keep this alphabetized
+  goimports:
+    local-prefixes: go.etcd.io # Put imports beginning with prefix after 3rd-party packages.