chore: add golangci-lint config file for flexibility

https://golangci-lint.run/usage/configuration/#config-file

.github/workflows/lint.yml

@@ -16,5 +16,5 @@ jobs:
     - name: Run golangci-lint
       uses: golangci/golangci-lint-action@v3
       with:
-        version: v1.54.2
-        args: --enable=nolintlint,gochecknoinits,bodyclose,gofumpt,gocritic --verbose
+        version: v1.55.2
+        args: --verbose

.golangci.yml

@@ -0,0 +1,28 @@
+# https://github.com/golangci/golangci-lint/blob/master/.golangci.reference.yml
+
+run:
+  # Timeout for analysis.
+  timeout: 5m
+
+linters:
+  # Disable all linters to prevent appearing new issues on golangci-lint update.
+  disable-all: true
+  enable:
+    - bodyclose
+    - errcheck
+    - gochecknoinits
+    - gocritic
+    - gofumpt
+    - gosimple
+    - govet
+    - ineffassign
+    - nolintlint
+    - staticcheck
+    - unused
+
+linters-settings:
+  # Show all issues from a linter.
+  max-issues-per-linter: 0
+
+  # Show all issues with the same text.
+  max-same-issues: 0