docs: update portal for WRNexusJS 0.2.19

.vscode/extensions.json

@@ -0,0 +1,3 @@
+{
+  "recommendations": ["wrnexus.wrnexus", "esbenp.prettier-vscode", "dbaeumer.vscode-eslint"]
+}

.vscode/settings.json

@@ -0,0 +1,12 @@
+{
+  "editor.defaultFormatter": "esbenp.prettier-vscode",
+  "editor.formatOnSave": true,
+  "editor.codeActionsOnSave": {
+    "source.fixAll.eslint": "explicit"
+  },
+  "prettier.requireConfig": true,
+  "[wrn]": {
+    "editor.defaultFormatter": "wrnexus.wrnexus",
+    "editor.formatOnSave": true
+  }
+}