Create Enumeration

Combined inclusion and exclusion patterns for discovery scope. Exclusion patterns (e.g. *.staging.company.com) filter out matching targets. Inclusion patterns use a + prefix (e.g. +prod-*.company.com) to restrict discovery to only matching targets (allowlist mode). When inclusion patterns are present, targets must match at least one inclusion pattern and not match any exclusion pattern. Supports exact domains, wildcard patterns, IP addresses, and CIDR ranges.