Xjsonrpc

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- starlette integration added
- django integration added
- sub endpoints support implemented

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- pytest integration bug fixed
- ViewMethod copy bug fixed
- pydantic required version increased
- openapi/openrpc specification definitions support implemented

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- openapi specification generation implemented
- openrpc specification generation implemented
- web ui support added (SwaggerUI, RapiDoc, ReDoc)

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- pydantic schema generation bug fixed
- method registry merge implementation changed

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- pydantic validation schema bug fixed
- method registry merge bug fixed
- method view validation bug fixed
- method metadata format changed

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- some trash removed