* [TD-14316]<docs>: add jdbc 2.0.38 doc

* [TD-14316]<docs>: modify format

* [TD-14316]<docs>: add jdbc 2.0.38 doc

* [TD-14316]<docs>: fix doc description

* [TD-14316]<docs>: modify en description

* [TD-14316]<docs> : above to later

* add c examples and subscribe examples files for other languages

* add query example

* c sample code

* c query example

* node async query example

* node async query example

* add node.js example

* add node.js stmt examples

* add node examples

* 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

improve the format

* 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

* code review

* python insert example

* python stmt example

* python query example

* python async exmaple

* python json example

* java json example

* java insert example

* sql upper case

* java stmt example

* java stmt exmaple

* insert - create files

* refine slug

* create sample files for query

* add note

* add sample code

* add sample code

* add example

* add connect examples

* adjust doc structure

* adjust doc structure

* modify sample code path