[management] network map from nmap data type (#6919)

Signed-off-by: Dmitri Dolguikh <dmitri.external@netbird.io>
Co-authored-by: Dmitri Dolguikh <dmitri.external@netbird.io>

management/internals/network_map_db/sqlite/domain.go

@@ -0,0 +1,24 @@
+package networkmap_sqlite
+
+import (
+	"context"
+
+	networkmapdb "github.com/netbirdio/netbird/management/internals/network_map_db"
+)
+
+const (
+	GetDomainsQuery = `
+	select domain, target_cluster
+	from domains
+	where account_id=? and domain<>'' and target_cluster<>''
+	`
+)
+
+func (sc *SqliteStoreConn) GetDomains(ctx context.Context, accountId string) ([]networkmapdb.Domain, error) {
+	rows, err := sc.Conn.QueryContext(ctx, GetDomainsQuery, accountId)
+	if err != nil {
+		return nil, err
+	}
+
+	return CollectRowsForSqlite[networkmapdb.Domain](rows)
+}