Update docs metadata headers so when mentioned on slack it doesn't say hugo

Signed-off-by: Gavin Mogan <github@gavinmogan.com>

Author: halkeye

docs/layouts/partials/head.html

@@ -5,8 +5,8 @@
     <meta name="robots" content="noindex">
     {{- end }}
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <meta name="description" content="A Lightweight, Modern Documentation Theme for Hugo" />
-    <meta name="keywords" content="Documentation, Hugo, Hugo Theme, Bootstrap" />
+    <meta name="description" content="The free, OpenAI, Anthropic alternative. Your All-in-One Complete AI Stack - Run powerful language models, autonomous agents, and document intelligence locally on your hardware" />
+    <meta name="keywords" content="ai, openai, anthropic, opensource" />
     <meta name="author" content="Ettore Di Giacinto" />
     <meta name="email" content="info@localai.io" />
     <meta name="website" content="https://localai.io" />
@@ -59,4 +59,4 @@
         {{- template "_internal/google_analytics.html" . -}}
     {{- end -}}
     {{- end -}}
-</head>
+</head>