feat: Implement repositories for authentication, certificates, metrics, and platform services

- Added AuthRepository for user and settings management with CRUD operations.
- Introduced CertificateRepository to handle domains, certificates, and requirements.
- Created MetricsRepository for managing metrics and logs.
- Developed PlatformRepository for platform services and resources management.
- Established RegistryRepository for registry and token operations.
- Implemented ServiceRepository for CRUD operations on services.
- Defined types and interfaces in types.ts for database interactions.

ts/types.ts

@@ -153,9 +153,9 @@ export interface ICertificate {
   domainId: number;
   certDomain: string;
   isWildcard: boolean;
-  certPath: string;
-  keyPath: string;
-  fullChainPath: string;
+  certPem: string;       // Certificate PEM content
+  keyPem: string;        // Private key PEM content
+  fullchainPem: string;  // Full chain PEM content (cert + intermediates)
   expiryDate: number;
   issuer: string;
   isValid: boolean;
@@ -183,13 +183,13 @@ export interface IDomainView {
   daysRemaining: number | null;
 }
 
-// Legacy SSL certificate type (for backward compatibility)
+// SSL certificate type - stores certificate content directly in database
 export interface ISslCertificate {
   id?: number;
   domain: string;
-  certPath: string;
-  keyPath: string;
-  fullChainPath: string;
+  certPem: string;       // Certificate PEM content
+  keyPem: string;        // Private key PEM content
+  fullchainPem: string;  // Full chain PEM content (cert + intermediates)
   expiryDate: number;
   issuer: string;
   createdAt: number;