[calendar] move image generation to cron

routes/calendar.vue

@@ -34,11 +34,11 @@
                         <T>calendar.image.header</T>:
                     </p>
                     <p class="mb-0">
-                        <a href="/img-local/calendar/overview.png" target="_blank" rel="noopener" class="btn btn-outline-primary m-1">
+                        <a href="/calendar/overview.png" target="_blank" rel="noopener" class="btn btn-outline-primary m-1">
                             <Icon v="image"/>
                             <T>calendar.image.overview</T>
                         </a>
-                        <a href="/img-local/calendar/labels.png" target="_blank" rel="noopener" class="btn btn-outline-primary m-1">
+                        <a href="/calendar/labels.png" target="_blank" rel="noopener" class="btn btn-outline-primary m-1">
                             <Icon v="image"/>
                             <T>calendar.image.labels</T>
                         </a>

server/calendar.js

@@ -10,7 +10,7 @@ const shoot = async (url, filename) => {
     });
     pr.src(process.env.BASE_URL + url, ['1500x300']);
     for (let buffer of await pr.run()) {
-        const dir = `${__dirname}/../static/img-local/calendar`;
+        const dir = `${__dirname}/../static/calendar`;
         fs.mkdirSync(dir, {recursive: true})
         const target = `${dir}/${filename}.png`;
         console.log(target);