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/core/organization.go

@@ -0,0 +1,10 @@
+package core
+
+// Organization represents a company or group of interest.
+type Organization struct {
+	LegalName string  `json:"legal_name"`
+	Country   string  `json:"country"`
+	Sector    string  `json:"sector"`
+	Founded   string  `json:"founded"`
+	RiskScore float64 `json:"risk_score"`
+}