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_email.go

@@ -0,0 +1,9 @@
+package cybersecurity
+
+// OsintEmail represents an email address of interest in an OSINT investigation.
+type OsintEmail struct {
+	Address  string `json:"address"`
+	Provider string `json:"provider"`
+	Verified bool   `json:"verified"`
+	Breached bool   `json:"breached"`
+}