Add support for PUT /_bulk (#1009)

Elastic client in Python uses the PUT method to perform a bulk request.

Author: nablaone

quesma/quesma/router.go

@@ -45,7 +45,7 @@ func ConfigureRouter(cfg *config.QuesmaConfiguration, sr schema.Registry, lm *cl
 		return elasticsearchQueryResult(`{"cluster_name": "quesma"}`, http.StatusOK), nil
 	})
 
-	router.Register(routes.BulkPath, and(method("POST"), matchedAgainstBulkBody(cfg, tableResolver)), func(ctx context.Context, req *mux.Request) (*mux.Result, error) {
+	router.Register(routes.BulkPath, and(method("POST", "PUT"), matchedAgainstBulkBody(cfg, tableResolver)), func(ctx context.Context, req *mux.Request) (*mux.Result, error) {
 
 		body, err := types.ExpectNDJSON(req.ParsedBody)
 		if err != nil {