add archiving context functionality to manage pause/resume of attribute groups

...c/main/java/fr/soleil/tango/archiving/config/Context.java

...java/fr/soleil/tango/archiving/config/InsertionModes.java

...ing/config/db/timescale/insert/ArchivingConfigWriter.java

...rchiving/config/db/timescale/insert/ContextsCommands.java

...ng/config/db/timescale/insert/InsertionModesCommands.java

...ng/config/db/timescale/select/ArchivingConfigFetcher.java

...archiving/config/db/timescale/select/ContextsQueries.java

...o/archiving/config/db/timescale/tables/ContextMapper.java

...go/archiving/config/db/timescale/tables/ContextTable.java

...ving/config/db/timescale/tables/InsertionModesMapper.java

...iving/config/db/timescale/tables/InsertionModesTable.java

...tango/archiving/services/TangoArchivingConfigService.java

...ngo/archiving/services/TangoArchivingInserterService.java

...timeseries-persistence/src/main/resources/db/V1__init.sql

...timeseries-persistence/src/main/resources/db/V2__init.sql

...o/archiving/services/TangoArchivingConfigServiceTest.java

...archiving/services/TangoArchivingInserterServiceTest.java