fix(tsdb/cache): primary ts column loading

docs: fix broken and redirecting links in 3.0

docs: formate and note of java doc

docs: resolve format error

docs(driver): fix format

docs(driver): jdbc 3.2.1 document and error code

docs: add example and document for rust schemaless insert 

docs: add cmd to check status of taosd for mac

 enh(cache/rocks): base for rocks put/get 

fix: count wrong group number issue

fix: memory leak

fix: projection group merge issue