enable wsl: whitespace enforcer

.golangci.yml

auth/auth.go

auth/auth_test.go

cmd/rednerd/cmd/admin_password.go

cmd/rednerd/cmd/configfile.go

cmd/rednerd/cmd/engine.go

cmd/rednerd/cmd/logging.go

cmd/rednerd/cmd/migrate.go

cmd/rednerd/cmd/run.go

cmd/rednerd/cmd/sentry.go

cmd/rednerd/cmd/serve.go

cmd/rednerd/cmd/template.go

cmd/rednerd/cmd/varlist.go

engines/mjml/engine.go

engines/mjml/mjml.go

engines/mjml/mjml_test.go

engines/mustache/engine.go

engines/mustache/engine_test.go

engines/pdftoppm/engine.go

engines/wpd/engine.go