more preparations
- 21f58a8a dsNet: rename WsAcceptor -> WSAcceptor
- 8b5e6361 ds/json: introduce DS_JSON_ANONYMOUS_STRUCT
- a05c72f8 dsApi: move subscriptions from ds-connector - namespace
- a9ab2b5b dsApi: move subscriptions from ds-connector
- 76d6ebb2 dsConnector::ApiServer -> dsApi::HttpServer
- 9ad27bf1 meson: remove precompiled headers
- ba9218d1 dsApi: introduce README
- 37ad2bd5 dsNet: improve documentation