Feature: [Feature-506][client] The CDCSOURCE table parameter supports line feed and column sort by primary key [Feature-518][client] CDCSOURCE add log [Feature-525][alert,web] Add @mobile mode of dingTalk Alert [Feature-254][web] Add StreamGraph JSON Export function [Feature-534][admin,web] Add task open API page [Feature-356][web] Add datastudio help page [Feature-318][core] Add column lineage from db sql [Feature-545][admin] Add Task Pool to solve frequent database writes [Feature-552][web] Hide export StreamGraphPlan button when not FlinkSQL task [Feature-558][web] add delete button of database Manage [Feature-568][client] Add CDCSOURCE jdbc properties and upgrade flink cdc version

Fix: [Fix-491][admin,web] Fix refresh the status page with abnormal jitter [Fix-499][connector] Flink oracle connector can't cast CLOB to String [Fix-494][web] Fix the savepoint information does not change with the task information [Fix-503][gateway,client] Compatibility of different versions of the interface ClusterClient [Fix-509][metabase] Fix MySqlTypeConvert precision and scale is null bug [Fix-503][client] Remove initFunctions [Fix-518][client] Fix CDCSOURCE decimal bug [Fix-520][core] Fix get JobPlanInfo failed [Fix-522][client] Fix CDCSOURCE OracleCDC number can't be cast to Long [Fix-527][web] Fix the wechat alarm instance send testMsg error [Fix-529][web] Fix the task cannot be saved after switching tasks [Fix-541][web] Fix the problem that the datasource && metadata does not set alias [Fix-542][web] Fix the name of tab can't be modified when modify task name [Fix-556][adimin,gateway] Fix flinkLibPath in K8S configuration is null [Fix-571] [client] Fix CDCSOURCE String can't be cast to Timestamp

Optimization & Improve: [Optimization-504][doc] Optimization init sql [Optimization-550][assembly] Optimization package [Optimization-562][web] Remove preset-ui [Optimization-564][metadata] Optimization MySqlTypeConvert