Add structured data for homepage SEO

Author: ujibang

_includes/head.html

@@ -41,5 +41,6 @@
   <link rel="shortcut icon" href="/images/favicon/favicon.png" />
   <link rel="canonical" href="{{ page.url | replace:'index.html','' | prepend: site.baseurl | prepend: site.url }}">
   <link rel="alternate" type="application/atom+xml" title="{{ site.title }}" href="{{ "/feed.xml" | prepend: site.baseurl | prepend: site.url }}" />
+  {% if page.url == "/" %}{% include structured-data.html %}{% endif %}
   {% include plausible.html %}
 </head>

_includes/structured-data.html

@@ -0,0 +1,25 @@
+<script type="application/ld+json">
+{
+  "@context": "https://schema.org",
+  "@type": "SoftwareApplication",
+  "name": "RESTHeart",
+  "applicationCategory": "DeveloperApplication",
+  "description": "RESTHeart is a comprehensive backend framework that eliminates boilerplate code with out-of-the-box features including Data APIs (REST, GraphQL, WebSockets), authentication, authorization, security, and extensibility through plugins. Build production-ready backends in minutes.",
+  "operatingSystem": "Cross-platform",
+  "offers": {
+    "@type": "Offer",
+    "price": "0",
+    "priceCurrency": "USD"
+  },
+  "url": "https://restheart.org",
+  "sameAs": [
+    "https://github.com/SoftInstigate/restheart",
+    "https://cloud.restheart.com/softinstigate"
+  ],
+  "author": {
+    "@type": "Organization",
+    "name": "SoftInstigate",
+    "url": "https://softinstigate.com"
+  }
+}
+</script>

index.md

@@ -1,6 +1,8 @@
 ---
 layout: default
 stars-bounce: true
+title: Complete Backend Development Framework
+excerpt: RESTHeart is a comprehensive backend framework that eliminates boilerplate code with out-of-the-box features including Data APIs (REST, GraphQL, WebSockets), authentication, authorization, security, and extensibility through plugins. Build production-ready backends in minutes.
 ---
 
 <section id="top" class="text-center pt-2 pb-2">