feat: add golangci-lint for go linting

internal/bootstrap/app_bootstrap.go

@@ -292,7 +292,7 @@ func (app *BootstrapApp) heartbeatRoutine() {
 			continue
 		}
 
-		res.Body.Close()
+		res.Body.Close() //nolint:errcheck
 
 		if res.StatusCode != 200 && res.StatusCode != 201 {
 			tlog.App.Debug().Str("status", res.Status).Msg("Heartbeat returned non-200/201 status")

internal/bootstrap/service_bootstrap.go

@@ -36,7 +36,7 @@ func (app *BootstrapApp) initServices(queries *repository.Queries) (Services, er
 
 	if err != nil {
 		tlog.App.Warn().Err(err).Msg("Failed to setup LDAP service, starting without it")
-		ldapService.Unconfigure()
+		ldapService.Unconfigure() //nolint:errcheck
 	}
 
 	services.ldapService = ldapService