feat(vue): add optional IonicConfig type parameter to IonicVue plugin (…

…#29637)

Issue number: #29659

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## What is the current behavior?
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while using `.use(IonicVue, {})`, the config object has no autocomplete.

## What is the new behavior?
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this PR. -->
- Add type autocomplete on plugin option in VueJS package.


## Does this introduce a breaking change?

- [ ] Yes
- [x] No

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## Other information

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screenshots of how the component looks before and after the change. -->

Co-authored-by: Julien Vaumoron <[email protected]>

packages/vue/src/ionic-vue.ts

@@ -21,7 +21,7 @@ const getHelperFunctions = () => {
   };
 };
 
-export const IonicVue: Plugin = {
+export const IonicVue: Plugin<[IonicConfig?]> = {
   async install(_: App, config: IonicConfig = {}) {
     /**
      * By default Ionic Framework hides elements that