fix docs: notice about MiddlewareFactoryComponent

commit_hash:9d46df8b86e1f8bcb30109d0d8da652f599378a0

Author: ArkadyRudenko

scripts/docs/en/userver/grpc/client_middleware_implementation.md

@@ -5,8 +5,8 @@
 
 There are two main interfaces for implementing a middleware:
 1. @ref ugrpc::client::MiddlewareBase. Class that implements the main logic of a middleware.
-2. @ref ugrpc::client::MiddlewareFactoryComponentBase The factory for the middleware to declare static options.
-    * Or for simple cases without static options @ref ugrpc::client::SimpleMiddlewareFactoryComponent.
+2. @ref ugrpc::client::SimpleMiddlewareFactoryComponent short-cut for simple cases without static options. 
+    * Or @ref ugrpc::client::MiddlewareFactoryComponentBase to declare static options.
 
 ## MiddlewareBase
 
@@ -177,7 +177,12 @@ These hooks are called on each message.
 @snippet grpc/src/ugrpc/client/middlewares/log/middleware.hpp MiddlewareBase example declaration
 @snippet grpc/src/ugrpc/client/middlewares/log/middleware.cpp MiddlewareBase Message methods example
 
-The static YAML config and component registration are identical as in example above. So, let's not focus on this.
+The static YAML config and component registration are identical as in the example above. So, let's not focus on this.
+
+## MiddlewareFactoryComponent
+
+We use a simple short-cut @ref ugrpc::client::SimpleMiddlewareFactoryComponent in the example above. 
+To declare static config options of your middleware see @ref scripts/docs/en/userver/grpc/middlewares_configuration.md.
 
 ## Exceptions and errors in middlewares
 

scripts/docs/en/userver/grpc/middlewares_configuration.md

@@ -1,8 +1,8 @@
 # gRPC middlewares configuration
 
 If your middleware doesn't have static config options, just use:
-1. @ref ugrpc::server::SimpleMiddlewareFactoryComponent 
-2. @ref ugrpc::client::SimpleMiddlewareFactoryComponent
+1. @ref ugrpc::server::SimpleMiddlewareFactoryComponent and see @ref scripts/docs/en/userver/grpc/server_middleware_implementation.md
+2. @ref ugrpc::client::SimpleMiddlewareFactoryComponent and see @ref scripts/docs/en/userver/grpc/client_middleware_implementation.md
 
 ## Yaml config for a middleware
 

scripts/docs/en/userver/grpc/server_middlewares_implementation.md

@@ -4,8 +4,8 @@
 
 There are two main interfaces for implementing a middleware:
 1. @ref ugrpc::server::MiddlewareBase. Class that implements the main logic of a middleware
-2. @ref ugrpc::server::MiddlewareFactoryComponentBase. The factory for the middleware to declare static options.
-    * Or for simple cases without static options @ref ugrpc::server::SimpleMiddlewareFactoryComponent.
+2. @ref ugrpc::server::SimpleMiddlewareFactoryComponent short-cut for simple cases without static options. 
+    * Or @ref ugrpc::server::MiddlewareFactoryComponentBase to declare static options.
 
 ## MiddlewareBase
 
@@ -165,6 +165,12 @@ Register the middleware component in the component system.
 
 @snippet grpc/functional_tests/middleware_server/src/main.cpp Register middlewares
 
+
+## MiddlewareFactoryComponent
+
+We use a simple short-cut @ref ugrpc::server::SimpleMiddlewareFactoryComponent in the example above. 
+To declare static config options of your middleware see @ref scripts/docs/en/userver/grpc/middlewares_configuration.md.
+
 ## Exceptions and errors in middlewares
 
 To fully understand what happens when middlewares hooks fail, you should understand the middlewares order: