refactor: reorganize OSINT types — genéricos a core, específicos en cybersecurity

Mueve tipos genéricos (Person, Organization, Location, Email, Phone, Document,
Domain, Event, SocialMedia) de cybersecurity a core. Mantiene en cybersecurity
solo los específicos de seguridad (CryptoWallet, IPAddress, Malware, Vulnerability).

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

functions/cybersecurity/vulnerability.go

@@ -0,0 +1,10 @@
+package cybersecurity
+
+// Vulnerability represents a CVE or security vulnerability in an OSINT investigation.
+type Vulnerability struct {
+	CVEID           string  `json:"cve_id"`
+	CVSS            float64 `json:"cvss"`
+	AffectedProduct string  `json:"affected_product"`
+	Published       string  `json:"published"`
+	Exploited       bool    `json:"exploited"`
+}