Added programmatic switching of online mode to config.

config.json

@@ -12,6 +12,13 @@
             "languageName": "English"
         }
     },
+  "params": {
+    "onlineOnly": {
+      "active": true,
+      "link": "/blog/covidbreak-part2",
+      "displayText":"Online mode"  
+    }
+  },
     "taxonomies": {
       "tag": "tags",
       "project": "projects",

themes/patek/layouts/index.html

@@ -29,9 +29,11 @@
     <div id="landing">
         <div class="patek-logo-top">
             <patek-logo>Pátek</patek-logo>
+	        {{ if .Site.Params.onlineOnly.active }}
             <div class="online-notice">
-                <a href="/blog/covidbreak-part2">Online mode</a>
+                <a href="{{ .Site.Params.onlineOnly.link }}">{{ .Site.Params.onlineOnly.displayText }}</a>
             </div>
+            {{ end }}
         </div>
         <div class="intro container">
             <section class="section">