Support multiline descriptions for entities

Use a textarea for editing the description and preserve linebreaks
when it's displayed in the UI using a new preWrap class for this
purpose.

components/TableScheduleLocations.vue

@@ -28,10 +28,10 @@
 							>
 						</td>
 						<td>
-							<input
-								type="text"
+							<textarea
+								rows="1"
 								v-model="location.description"
-							>
+							/>
 						</td>
 						<td>
 							<button
@@ -49,7 +49,7 @@
 					<template v-else>
 						<td>{{ location.id }}</td>
 						<td>{{ location.name }}</td>
-						<td>{{ location.description }}</td>
+						<td class="preWrap">{{ location.description }}</td>
 					</template>
 				</tr>
 				<tr v-if='edit'>
@@ -63,10 +63,10 @@
 							>
 					</td>
 					<td>
-						<input
-							type="text"
+						<textarea
+							rows="1"
 							v-model="newLocationDescription"
-						>
+						/>
 					</td>
 					<td colspan="1">
 						<button