feat: tipos OSINT para dominio cybersecurity

13 tipos product (person, email, domain, IP, phone, social_media, organization, location, vulnerability, malware, crypto_wallet, document, event) para modelar entidades de inteligencia de fuentes abiertas.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

functions/cybersecurity/osint_document.go

@@ -0,0 +1,10 @@
+package cybersecurity
+
+// OsintDocument represents a document or file of interest in an OSINT investigation.
+type OsintDocument struct {
+	Title          string `json:"title"`
+	Format         string `json:"format"`
+	Classification string `json:"classification"`
+	HashSHA256     string `json:"hash_sha256"`
+	Source         string `json:"source"`
+}