* Update php doc

* Fix

* [TD-14175]<docs>: connector

* docs: correct few secions and fix few typos

* add csharp examples

* csharp async query example

* add csharp examples

* doc fix

* rust sql insert example

* rust schemaless examples

* rust stmt examples

* rust query example

* remove go async

* format code

* go sql insert example

* fix go doc bug

* adjust cluster part; change mysql to sql

* add go connect example using af

* go stmt example

* go influxdb line example

* go telnet line insert example

* reduce sample data

* go json insert example

* go query example

* insert - create files

* refine slug

* create sample files for query

* add note

* adjust doc structure

* adjust doc structure

* modify sample code path

Resolve clerical errors: from "vlotage" to "voltage"

Minor modifications on multi-tables queries and add LIKE in query sample.

Minor modifications on multi tables aggregation queries.

更新2.0文档到develop分支