Added site metadata to head

hugo/content/_index.html

@@ -1,5 +1,6 @@
 ---
 title: "Open Collaboration Tools"
+description: "Boost remote teamwork with open source technology. Share your editor contents and see changes in real-time."
 type: oct
 ---
 <section class="bg-indigo-dark hero-section">

hugo/content/privacy.html

@@ -1,5 +1,6 @@
 ---
 title: "Privacy Policy"
+description: "Privacy policy of the Open Collaboration Tools website and public service"
 layout: "privacy"
 type: oct
 ---

hugo/content/tos.html

@@ -1,5 +1,6 @@
 ---
 title: "Open Collaboration Tools Website Terms of Use"
+description: "Terms of use for the public server instance of the Open Collaboration Tools project"
 layout: "privacy"
 type: oct
 ---

hugo/layouts/partials/oct-head.html

@@ -3,5 +3,24 @@
 <meta charset="utf-8">
 <link rel="preconnect" href="https://fonts.googleapis.com">
 <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
-<link href="https://fonts.googleapis.com/css2?family=Barlow:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&family=Urbanist:ital,wght@0,100..900;1,100..900&display=swap" rel="stylesheet"><link rel="stylesheet" href="/css/landing-showcase.css">
-<link rel="stylesheet" href="/css/style.css">
+<link href="https://fonts.googleapis.com/css2?family=Barlow:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&family=Urbanist:ital,wght@0,100..900;1,100..900&display=swap" rel="stylesheet">
+<link rel="stylesheet" href="/css/style.css">
+<meta name="description" content="{{ .Description }}">
+<meta name="color-scheme" content="light">
+<meta property="og:title" content="{{ .Title }}">
+<meta property="og:description" content="{{ .Description }}">
+<meta property="og:url" content="https://www.open-collab.tools{{ .Path }}">
+<meta property="og:image:type" content="image/jpeg">
+<meta property="og:image:width" content="1024">
+<meta property="og:image:height" content="1024">
+<meta property="og:image" content="https://www.open-collab.tools/assets/oct-space.jpg">
+<meta name="twitter:card" content="summary">
+<meta name="twitter:title" content="{{ .Title }}">
+<meta name="twitter:description" content="{{ .Description }}">
+<meta name="twitter:image:type" content="image/jpeg">
+<meta name="twitter:image:width" content="1024">
+<meta name="twitter:image:height" content="1024">
+<meta name="twitter:image" content="https://www.open-collab.tools/assets/oct-space.jpg">
+<link rel="icon" href="/assets/oct-logo-32.png" type="image/png" sizes="32x32">
+<link rel="icon" href="/assets/oct-logo-128.png" type="image/png" sizes="128x128">
+<link rel="icon" href="/assets/logo.jpg" type="image/jpeg" sizes="512x512">