Update release name and background image ⛰️ (#882)

Hello Fluebrig!

src/config.ts

@@ -10,11 +10,11 @@ export default {
 
     // General
     SELF_HOSTED: false,
-    VERSION_MOUNTAIN: 'Glärnisch',
-    VERSION_MOUNTAIN_URL: 'https://de.wikipedia.org/wiki/Gl%C3%A4rnisch',
-    VERSION_MOUNTAIN_IMAGE_URL: 'https://commons.wikimedia.org/wiki/File:Glarus_mit_Gl%C3%A4rnisch,_Sicht_Ennetberge_(18948043634).jpg',
-    VERSION_MOUNTAIN_IMAGE_COPYRIGHT: 'CC BY Hans Bühler',
-    VERSION_MOUNTAIN_HEIGHT: 2915,
+    VERSION_MOUNTAIN: 'Fluebrig',
+    VERSION_MOUNTAIN_URL: 'https://en.wikipedia.org/wiki/Fluebrig',
+    VERSION_MOUNTAIN_IMAGE_URL: 'img/bg.original.jpg',
+    VERSION_MOUNTAIN_IMAGE_COPYRIGHT: '',  // Own work
+    VERSION_MOUNTAIN_HEIGHT: 2098,
     PREV_PROTOCOL_LAST_VERSION: '1.8.2',
     GIT_BRANCH: 'master',
 

src/partials/dialog.version.html

@@ -15,7 +15,7 @@
                 <p>{{ ctrl.version }}</p>
 
                 <h2 translate>welcome.BACKGROUND_IMAGE</h2>
-                <p><a ng-href="{{ ctrl.config.VERSION_MOUNTAIN_URL }}" target="_blank" rel="noopener noreferrer">{{ ctrl.config.VERSION_MOUNTAIN }} ({{ ctrl.config.VERSION_MOUNTAIN_HEIGHT }}m)</a> / <a ng-href="{{ ctrl.config.VERSION_MOUNTAIN_IMAGE_URL }}" target="_blank" rel="noopener noreferrer">Source Image</a> ({{ ctrl.config.VERSION_MOUNTAIN_IMAGE_COPYRIGHT }})</p>
+                <p><a ng-href="{{ ctrl.config.VERSION_MOUNTAIN_URL }}" target="_blank" rel="noopener noreferrer">{{ ctrl.config.VERSION_MOUNTAIN }} ({{ ctrl.config.VERSION_MOUNTAIN_HEIGHT }}m)</a> / <a ng-href="{{ ctrl.config.VERSION_MOUNTAIN_IMAGE_URL }}" target="_blank" rel="noopener noreferrer">Source Image</a> <span ng-if="ctrl.config.VERSION_MOUNTAIN_IMAGE_COPYRIGHT">({{ ctrl.config.VERSION_MOUNTAIN_IMAGE_COPYRIGHT }})</span></p>
 
                 <h2 translate>about.CHANGELOG</h2>
                 <p translate translate-values="{ url: 'https://github.com/threema-ch/threema-web/blob/{{ ctrl.config.GIT_BRANCH }}/CHANGELOG.md' }">about.CHANGELOG_TEXT</p>