minior changes

Update architecture-ch.md

Update Queries-ch.md

indent the SQL command

Fix last file info update bug

alter the file format

alter the link format

Update taosd-ch.md

minor changes

Update replica-ch.md

Add files via upload

Add files via upload

Add files via upload

Feature/newdoc

Feature/2.0tsdb

Add files via upload

alter the file

alter the file

Update replica-ch.md

Update replica-ch.md

[dynamic link libtaos.so]

one more document