feat(nft): add source IP filtering for DNAT rules and expose table existence checks

ts/00_commitinfo_data.ts

@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@push.rocks/smartnftables',
-  version: '1.0.1',
+  version: '1.1.0',
   description: 'A TypeScript module for managing nftables rules including NAT, firewall, and rate limiting with a high-level API.'
 }