refactor: resturcture files so that lincensing info can be bundled properly

templates/sheets/item/components/item-header.hbs

@@ -0,0 +1,18 @@
+{{!--
+SPDX-FileCopyrightText: 2021 Johannes Loher
+
+SPDX-License-Identifier: MIT
+--}}
+
+<header class="ds4-item-header">
+    <img class="ds4-item-header__img" src="{{data.img}}" data-edit="img" alt="{{localize 'DS4.ItemImageAltText'}}"
+        title="{{data.name}}" />
+    <div class="ds4-item-header__data">
+        <h2 class="ds4-item-header__type">{{lookup config.i18n.itemTypes item.type}}</h2>
+        <h1 class="ds4-item-header__name">
+            <label for="name-{{data._id}}" class="ds4-item-header__name-label">{{localize 'DS4.ItemName'}}</label>
+            <input class="ds4-item-header__name-input" name="name" type="text" id="name-{{data._id}}"
+                value="{{data.name}}" placeholder="{{localize 'DS4.ItemName'}}" />
+        </h1>
+    </div>
+</header>