[doc]add streaming tts demo, test=doc

[server] improve code

[server]change vector train.py local_rank to rank

[CLI] Add cacu rtf scripts

speedyspeech support kunlun

[server]streaming asr server using paddlespeech_server/client

[ASR] Replace dist.spawn with dist.launch

[server]update the vector and text readme

[CLI]Add RTF wrapper for asr.

[Doc] Updata released model info (Wenetspeech ds2 and conformer online)

[server] unify name style & frame with abs timestamp

[doc] update readme with new feature

[asr][server]update the streaming asr readme

[server] improve server code

[install] add commmit to version info

[speechx] fix run_fbank.sh result issue