improvements: add ssl options to sql connections and update ui/docs

backend/src/services/app-connection/postgres/postgres-connection-schemas.ts

@@ -27,7 +27,9 @@ export const SanitizedPostgresConnectionSchema = z.discriminatedUnion("method",
       host: true,
       database: true,
       port: true,
-      username: true
+      username: true,
+      sslEnabled: true,
+      sslRejectUnauthorized: true
     })
   })
 ]);