Add description to monitor

* Add description to monitor model
* Add description field to database
* Add english and spanish translation for description
* Closes: #482

src/pages/Details.vue

@@ -2,6 +2,7 @@
     <transition name="slide-fade" appear>
         <div v-if="monitor">
             <h1> {{ monitor.name }}</h1>
+            <p>{{ monitor.description }}</p>
             <div class="tags">
                 <Tag v-for="tag in monitor.tags" :key="tag.id" :item="tag" :size="'sm'" />
             </div>

src/pages/EditMonitor.vue

@@ -41,6 +41,12 @@
                                 <input id="name" v-model="monitor.name" type="text" class="form-control" required>
                             </div>
 
+                            <!-- Description -->
+                            <div class="my-3">
+                                <label for="description" class="form-label">{{ $t("Description") }}</label>
+                                <input id="description" v-model="monitor.description" type="text" class="form-control">
+                            </div>
+
                             <!-- URL -->
                             <div v-if="monitor.type === 'http' || monitor.type === 'keyword' " class="my-3">
                                 <label for="url" class="form-label">{{ $t("URL") }}</label>