db2/data: add method and time range filters
db2/data: ERC20 keys and add func
db2/data: working filters + data.Get
cmd/store: very basic remote store cmd
db2/data: use common.Address when possible
database/remote: implem more Database func
cmd/store: read column family
db/data: rework filter + add ByAsset
db2/data: external test
db2/data: fix filter + add unit tests for edge cases
db2/data: key use strings.Replace for clarity rather than Sprintf
db2/database: add tests + clean

feat(data store): add with filter