Levelup Remake (#100)

* Set up DhLevelTier datamodel

* Added Levelup data model and started at the render

* Fixed data handling in the LevelUp view

* Added back the save function

* Finalised levelup selections and propagating to PC

* Added level advancement selection data

* Added DomainCard selection

* Css merge commit

* Added PC level/delevel benefits of leveling up

* Fixed sticky previous selections on continous leveling

* Fixed up Summary. Fixed multiclass/subclass blocking on selection

* Removed unused level.hbs

* Fixed attribute base for PC

* Improved naming of attribute properties

* Renamed/structured resources/evasion/proficiency

* Improved trait marking

* Rework to level up once at a time

* Added markers

* Removed tabs when in Summary

* Fixed multilevel buttons

* Improved multiclass/subclass recognition

* Fixed tagify error on selection

* Review fixes

templates/components/card-preview.hbs

@@ -0,0 +1,13 @@
+<div class="component dh-style card-preview-container {{#if (and this.compendium (not this.img))}}selectable{{/if}}" data-action="viewCompendium" data-compendium="{{this.compendium}}" data-path="{{this.path}}" data-limit="{{this.limit}}">
+    {{#if this.img}}
+        <img class="preview-image-container" src="{{this.img}}" />
+        <div class="preview-text-container">{{this.name}}</div>
+    {{else}}
+        <div class="preview-empty-container">
+            <div class="preview-empty-inner-container">
+                <i class="preview-add-icon fa-solid fa-plus"></i>
+                <div class="preview-empty-subtext">{{this.emptySubtext}}</div>
+            </div>
+        </div>
+    {{/if}}
+</div>