Task lists WIP:

* front-end: task are no more in a dialog

conversejs/custom/plugins/tasks/templates/muc-task-app.js

@@ -0,0 +1,27 @@
+import { html } from 'lit'
+import { __ } from 'i18n'
+
+export function tplMUCTaskApp (el, mucModel) {
+  if (!mucModel) { return html`` } // should not happen
+  if (!mucModel.tasklists) { return html`` } // too soon, not initialized.
+
+  if (!el.show) {
+    el.style.display = 'none'
+    return html``
+  }
+
+  el.style.display = ''
+
+  // eslint-disable-next-line no-undef
+  const i18nTasks = __(LOC_tasks)
+  return html`
+    <div class="livechat-converse-muc-app-header">
+      <h5>${i18nTasks}</h5>
+      <button class="livechat-converse-muc-app-close" @click=${el.toggleApp}>
+          <converse-icon class="fa fa-times" size="1em"></converse-icon>
+      </button>
+    </div>
+    <div class="livechat-converse-muc-app-body">
+      <livechat-converse-muc-task-lists .model=${mucModel.tasklists}></livechat-converse-muc-task-lists>
+    </div>`
+}