add docs on component data with vetur

docs/component-data-vetur.md

@@ -0,0 +1,36 @@
+Vetur docs on component data: https://vuejs.github.io/vetur/guide/component-data.html#workspace-component-data
+
+Requires the following dev dependency for Volar:
+https://github.com/johnsoncodehk/volar-plugins/tree/master/packages/vetur
+
+yarn add --dev @volar-plugins/vetur
+
+Create volar.config.js
+
+```js
+const vetur = require('@volar-plugins/vetur');
+
+module.exports = {
+  plugins: [vetur()],
+};
+```
+
+Generate required data:
+
+https://itnext.io/vue-intellisense-in-vscode-33cf8860e092
+https://github.com/cycraft/vue-intellisense
+
+yarn add --dev vue-intellisense
+yarn run vue-int --input src/components --output .vetur --recursive
+
+Add to package.json
+
+```json
+  "vetur": {
+    "tags": ".vetur/tags.json",
+    "attributes": ".vetur/attributes.json"
+  }
+
+```
+
+https://vue-styleguidist.github.io