Feature/td 11463 3.0

[TD-13758]<fix>: modify the stack fetch.

[TD-14240]<feature>: add math functions

[TD-13758]<fix>: redefine memory api.

refactor stream

stream extract to module

bugfix

* [TD-13558]<feature>: taos shell refactor

add taosTools as submodule

* add tools/taos-tools

* add more client interface for taosTools compile

* update taos-tools

* update taos-tools

* refactor shell

* [TD-13558]<feature>: taos shell test speed

* [TD-13558]<feature>: taos -n startup works

* taos -n rpc works

* taos -n server works

* cleanup code since no endPort in 3.0

* update taos-tools

* [TD-13558]<feature>: taos -C works

[td-13039] fix bug.

[td-14285] fix the taosd crash when both interval and sliding exist.

[td-13039]add api for stream computing.