feat(jsonrpc): use func name for jsonrpc method by default

[ApostolFet]

We use the function name for the method if it's not explicitly specified.
For example, we currently support the following interface:

    class Api:
        @jsonrpc  # jsonrpc_method = 'do'
        def do(self, data: int) -> Model:...

        @jsonrpc()  # jsonrpc_method = 'work'
        def work(self, data: int) -> Model:...   
        
        @jsonrpc(req_transformer, res_transformer, url="/bar")  # jsonrpc_method = 'send'
        def send(self, data: int) -> Model:...   
        
        @jsonrpc('other_method', req_transformer, res_transformer)  # jsonrpc_method = 'other_method'
        def some_method(self, data: int) -> Model:...  

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[Tishka17]

Doesn't it break an order of tranformers?

[ApostolFet]

As far as I understand, new transformers are added at the beginning, and this is the very first transformer:

    def with_params(
        self,
        *transformers: Transformer,
        **params: Unpack[BuilderParams],
    ) -> "JsonRPCBuilder":
        return JsonRPCBuilder(
            *transformers,
            *self.transformers,
            **(self.params | params),
        )