added mastodon share

src/css/xrforge.max.css

@@ -70,6 +70,10 @@ img.icon.rss{
   width: 14px;
   transform: translate(0,-4px);
 }
+img.icon.mastodon{
+  width: 19px;
+  transform: translate(-4px,1px);
+}
 img.icon.invert,
 img.icon.link,
 img.icon.play,

src/img/mastodon.svg

@@ -0,0 +1,4 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="61.076954mm" height="65.47831mm" viewBox="0 0 216.4144 232.00976">
+  <path fill="#8888aa" d="M211.80734 139.0875c-3.18125 16.36625-28.4925 34.2775-57.5625 37.74875-15.15875 1.80875-30.08375 3.47125-45.99875 2.74125-26.0275-1.1925-46.565-6.2125-46.565-6.2125 0 2.53375.15625 4.94625.46875 7.2025 3.38375 25.68625 25.47 27.225 46.39125 27.9425 21.11625.7225 39.91875-5.20625 39.91875-5.20625l.8675 19.09s-14.77 7.93125-41.08125 9.39c-14.50875.7975-32.52375-.365-53.50625-5.91875C9.23234 213.82 1.40609 165.31125.20859 116.09125c-.365-14.61375-.14-28.39375-.14-39.91875 0-50.33 32.97625-65.0825 32.97625-65.0825C49.67234 3.45375 78.20359.2425 107.86484 0h.72875c29.66125.2425 58.21125 3.45375 74.8375 11.09 0 0 32.975 14.7525 32.975 65.0825 0 0 .41375 37.13375-4.59875 62.915"/>
+  <path fill="#000000" d="M177.50984 80.077v60.94125h-24.14375v-59.15c0-12.46875-5.24625-18.7975-15.74-18.7975-11.6025 0-17.4175 7.5075-17.4175 22.3525v32.37625H96.20734V85.42325c0-14.845-5.81625-22.3525-17.41875-22.3525-10.49375 0-15.74 6.32875-15.74 18.7975v59.15H38.90484V80.077c0-12.455 3.17125-22.3525 9.54125-29.675 6.56875-7.3225 15.17125-11.07625 25.85-11.07625 12.355 0 21.71125 4.74875 27.8975 14.2475l6.01375 10.08125 6.015-10.08125c6.185-9.49875 15.54125-14.2475 27.8975-14.2475 10.6775 0 19.28 3.75375 25.85 11.07625 6.36875 7.3225 9.54 17.22 9.54 29.675"/>
+</svg>

src/page/dir.html

@@ -8,6 +8,13 @@ ${header}
       <center class="col3">
         ${opts.plugin_global_subtitle}
         <a href="index.rss"><img src="img/rss.svg" class="icon rss"/></a>
+  ]])
+  if opts.plugin_rssatom_mastodonshare == 'enabled' then
+      print([[
+      <a class="script" onclick="alert('To start receiving the (RSS) feed (of this page),\nwe will guide you to create an activation-post'); document.location.href = 'https://' + prompt('Your mastodon instance:', 'mastodon.social') + '/share?text=follow+this+XRForge+instance+]] .. util.getURL('/') .. [[index.rss+via+@birb@rss-parrot.net'"><img src="img/mastodon.svg" class="icon mastodon"/></a>
+      ]])
+  end
+  print([[
       </center>
     </div>
     <hr style="margin-top:0"/>
@@ -16,8 +23,14 @@ end}
 
 {if parent ~= nil and parent.parent ~= nil then
   print([[
-  <h2><span class="col1">//</span> ${parent.name} <a href="${req.url}.rss"><img src="img/rss.svg" class="icon rss"/></a></h2>
+  <h2><span class="col1">//</span> ${parent.name} <a href="${req.url}.rss"><img src="img/rss.svg" class="icon rss"/></a>
   ]])
+  if opts.plugin_rssatom_mastodonshare == 'enabled' then
+      print([[
+      <a class="script" onclick="alert('To start receiving the (RSS) feed (of this page),\nwe will guide you to create an activation-post'); document.location.href = 'https://' + prompt('Your mastodon instance:', 'mastodon.social') + '/share?text=follow+this+XRForge+instance+]] .. util.getURL() .. [[.rss+via+@birb@rss-parrot.net'"><img src="img/mastodon.svg" class="icon mastodon"/></a>
+      ]])
+  end
+  print('</h2>')
 end}
 
 <div class="grid">

src/page/header.html

@@ -6,6 +6,12 @@
     <base href="${opts.baseurl}" />
     <title>${opts.plugin_global_title}</title>
     <link rel="stylesheet" href="css/xrforge.css"></link>
+    <link 
+        rel="alternate" 
+        type="application/rss+xml" 
+        title="${opts.plugin_global_title} feed ${app.host}" 
+        href="${util.getURL('/')}index.rss"
+      />
     ${opts.plugin_global_header_html}
     <noscript>
       {if isroot then

src/plugin/rssatom.lua

@@ -44,6 +44,13 @@ local plugin = {
       default="homepage",
       values={always='always',homepage='only homepage'}
     },
+    { 
+      key='app.opts.plugin_rssatom_mastodonshare',
+      title='Mastodon share',
+      info="Show <a href='https://mastodonshare.com' target='_blank'>mastodonshare.com</a> next to RSS-button",
+      default="enabled",
+      values={enabled='enabled',disabled='disabled'}
+    },
     { 
       key='app.opts.plugin_rssatom_url_1',
       title='RSS/Atom URL 1',