Junie: write golangci-lint config.

README.org

@@ -118,5 +118,13 @@
 
   - Run tests: =go test ./...=
   - Run linter: =golangci-lint run=
+  - Run specific linter: =golangci-lint run --disable-all --enable=gosec=
+
+  The project uses a strict golangci-lint configuration defined in =.golangci.yml=.
+  This configuration includes a comprehensive set of linters focused on:
+  - Security best practices
+  - Code quality and maintainability
+  - Performance considerations
+  - Error handling correctness
 
   See the [[file:docs/installation.org][Installation and Usage Guide]] for more details.