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/email.go

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