Add an item sheet for editing Traits

templates/Apps/TraitSheet/content.hbs

@@ -0,0 +1,21 @@
+<div>
+	<input
+		type="text"
+		class="name"
+		aria-label="{{ rc-i18n "Name" }}"
+		name="name"
+		value="{{item.name}}"
+		{{disabled meta.limited}}
+		autocomplete="off"
+	>
+	<button
+		type="button"
+		data-action="openRichEditor"
+		data-path="system.description"
+		data-uuid="{{item.uuid}}"
+		data-collaborative="true"
+	>
+		Edit Description
+	</button>
+	<div class="value">{{{ enriched.system.description }}}</div>
+</div>

templates/Apps/TraitSheet/style.css

@@ -0,0 +1,35 @@
+.ripcrypt.TraitSheet {
+	--input-underline: none;
+	max-width: 300px;
+
+	> .window-content {
+		display: flex;
+		flex-direction: column;
+		gap: 8px;
+		padding: 4px;
+		color: var(--base-text);
+		background: var(--base-background);
+	}
+
+	input {
+		border-radius: 4px;
+		padding: 2px 4px;
+	}
+
+	.value {
+		background: var(--input-background);
+		color: var(--input-text);
+		padding: 4px;
+
+		> :first-child {
+			margin-top: 0;
+		}
+		> :last-child {
+			margin-bottom: 0;
+		}
+
+		&:empty {
+			display: none;
+		}
+	}
+}