fix(email-validator): improve MX record validation and update project configuration

.vscode/launch.json

@@ -2,8 +2,8 @@
   "version": "0.2.0",
   "configurations": [
     {
-      "command": "npm test",
-      "name": "Run npm test",
+      "command": "pnpm test",
+      "name": "Run pnpm test",
       "request": "launch",
       "type": "node-terminal"
     }

.vscode/settings.json

@@ -1,17 +1,17 @@
 {
   "json.schemas": [
     {
-      "fileMatch": ["/npmextra.json"],
+      "fileMatch": ["/.smartconfig.json"],
       "schema": {
         "type": "object",
         "properties": {
-          "npmci": {
+          "@ship.zone/szci": {
             "type": "object",
-            "description": "settings for npmci"
+            "description": "settings for ship.zone CI"
           },
-          "gitzone": {
+          "@git.zone/cli": {
             "type": "object",
-            "description": "settings for gitzone",
+            "description": "settings for git.zone CLI",
             "properties": {
               "projectType": {
                 "type": "string",