[DOP-27545] docs(mddocs): add en docs from docs_rework (#351) #1851

Job	Run time
Clickhouse tests / Run Clickhouse tests	3m 28s
FTP tests / Run FTP tests	1s
MSSQL tests / Run MSSQL tests	1s
Iceberg tests / Run Iceberg tests	1m 52s
MySQL tests / Run MySQL tests	2m 38s
SFTP tests / Run SFTP tests	3m 29s
FTPS tests / Run FTPS tests	1s
Oracle tests / Run Oracle tests	1s
Samba tests / Run Samba tests	1s
HDFS tests / Run HDFS tests	1m 56s
WebDAV tests / Run WebDAV tests	1s
Unit tests / Run unit tests	1s
Scheduler tests / Run Scheduler tests	1s
Hive tests / Run Hive tests	2m 6s
S3 tests / Run S3 tests	1m 1s
Tests done	1s
	16m 39s

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