* docs: refine connector doc

[TD-14839]

* docs: use TDengine CLI

[TD-14839]

* docs: replace JNI with navtive connection

[TD-14839]

* docs: make connectors doc use same preparition

[TD-14839]

* docs: refine connectors doc

[TD-14839]

* docs: refine connectors doc

[TD-14839]

* docs: refine connector docs

* docs: refine connector doc

[TD-14839]

* docs: refine connector doc

[TD-14839]

* docs: refine connector

[TD-14839]

* docs: fix faq path