Add placeholders to collection fields

app/src/lang/en-US/index.json

@@ -211,6 +211,7 @@
 
 	"fill_template": "Fill with Template Value",
 
+	"a_unique_table_name": "A unique table name...",
 	"a_unique_column_name": "A unique column name...",
 
 	"choose_a_collection": "Choose a collection...",

app/src/modules/settings/routes/data-model/new-collection/new-collection.vue

@@ -27,12 +27,17 @@
 			<v-tab-item value="collection">
 				<h2 class="type-title">{{ $t('creating_collection_info') }}</h2>
 				<div class="type-label">{{ $t('name') }}</div>
-				<v-input class="monospace" v-model="collectionName" db-safe />
+				<v-input class="monospace" v-model="collectionName" db-safe :placeholder="$t('a_unique_table_name')" />
 				<v-divider />
 				<div class="grid">
 					<div>
 						<div class="type-label">{{ $t('primary_key_field') }}</div>
-						<v-input class="monospace" v-model="primaryKeyFieldName" db-safe />
+						<v-input
+							class="monospace"
+							v-model="primaryKeyFieldName"
+							db-safe
+							:placeholder="$t('a_unique_column_name')"
+						/>
 					</div>
 					<div>
 						<div class="type-label">{{ $t('type') }}</div>