Clean metaInfo SEO (#40)

* Clean metaInfo SEO

* fix path

Co-authored-by: Julien Nahum <julien@nahum.net>

resources/js/mixins/seo-meta.js

@@ -0,0 +1,22 @@
+export default {
+  metaInfo () {
+    const title = this.metaTitle ?? 'OpnForm'
+    const description = this.metaDescription ?? "Create beautiful forms for free. Unlimited fields, unlimited submissions. It's free and it takes less than 1 minute to create your first form."
+    const image = this.metaImage ?? this.asset('img/social-preview.jpg')
+
+    return {
+      title: title,
+      titleTemplate: '%s · OpnForm',
+      meta: [
+        ...(this.metaTags ?? []),
+        { vmid: 'og:title', property: 'og:title', content: title },
+        { vmid: 'twitter:title', property: 'twitter:title', content: title },
+        { vmid: 'description', name: 'description', content: description },
+        { vmid: 'og:description', property: 'og:description', content: description },
+        { vmid: 'twitter:description', property: 'twitter:description', content: description },
+        { vmid: 'twitter:image', property: 'twitter:image', content: image },
+        { vmid: 'og:image', property: 'og:image', content: image }
+      ]
+    }
+  }
+}