fix(ctg): fix memleak

* docs: update csharp connector status

* docs: fix csharp ws bulk pulling

release: merge from main to 3.0

docs: add keyword(s)

fix: delete file restart corrupt error

2. merge TTL keyword to en doc.

feat(stream): support hash suffix and prefix

fix: c is uninitialized for empty btree

feat:<TD-18765> support ttl in create table automatic

feat: database option 'tsdb_pagesize'

fix: alter table memory leakage

fix(tdb): use rbtree with dirty pages' list

docs: read through and fix minor problems 03

docs: optimization for 05-get-started of documentation

enh: add err msg

enh: sma optimization for query and reboot restore

docs: csharp example add free result to release memory

fix(rpc): handle sent write