- add generator/loader for twin ipv6 and update the schema for the new table `node_ipv6`
- add handle tests for the new filter on nodes `has_ipv6`
- add new indexer work to call up nodes and check if they have ipv6
- update the db filters with the `has_ipv6` filter on nodes
- add default values for the flags (1 worker runs every 1 day)
- update makefile with helpful command to get db dump from the dev cluster

…-sdk-go into development_proxy_indexer_has_ipv6