fix: registry snapshot systemSchemaNames mismatch + correct docs pagination statement

Author: datlechin

TablePro/Core/Plugins/PluginMetadataRegistry+RegistryDefaults.swift

@@ -1203,7 +1203,7 @@ extension PluginMetadataRegistry {
                     defaultPrimaryKeyColumn: nil,
                     immutableColumns: [],
                     systemDatabaseNames: [],
-                    systemSchemaNames: [],
+                    systemSchemaNames: ["INFORMATION_SCHEMA"],
                     fileExtensions: [],
                     databaseGroupingStrategy: .bySchema,
                     structureColumnFields: [.name, .type, .nullable, .comment]

docs/databases/bigquery.mdx

@@ -113,5 +113,5 @@ Minimum roles:
 - No SSH tunneling (HTTPS only to BigQuery API)
 - No transactions
 - STRUCT/ARRAY columns excluded from UPDATE/DELETE WHERE clauses
-- No OFFSET pagination (uses ROW_NUMBER() windowing internally)
+- Deep pagination (large OFFSET) scans from start — use filters to narrow results
 - No streaming inserts