Add service announcement channel

src/main/kotlin/de/wulkanat/web/SiteWatcher.kt

@@ -1,6 +1,7 @@
 package de.wulkanat.web
 
 import de.wulkanat.Admin
+import de.wulkanat.DiscordRpc
 import de.wulkanat.model.BlogPostPreview
 import org.jsoup.Jsoup
 import java.io.IOException
@@ -8,6 +9,7 @@ import java.io.IOException
 object SiteWatcher {
     private const val BLOG_INDEX_URL = "https://www.hytale.com/news"
     var newestBlog: BlogPostPreview? = null
+    private var siteOnline = false
 
     fun hasNewBlogPost(): Boolean {
         try {
@@ -26,10 +28,17 @@ object SiteWatcher {
             }
         } catch (e: IOException) {
             Admin.error("Connection to Hytale Server failed", e.message ?: e.localizedMessage)
+            siteOnline = false
+            DiscordRpc.updatePresence(siteOnline)
 
             return false
         }
 
+        if (siteOnline) {
+            siteOnline = true
+            DiscordRpc.updatePresence(siteOnline)
+        }
+
         return true
     }
 }