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/views/levelup/parts/selectable-card-preview.hbs

@@ -0,0 +1,11 @@
+<div class="component dh-style card-preview-container selectable {{#if this.disabled}}disabled{{/if}}" data-action="selectPreview" data-path="{{this.path}}" data-uuid="{{this.uuid}}" {{#if selected}}data-selected="true"{{/if}}>
+    <div class="preview-image-outer-container">
+        <img class="preview-image-container" src="{{this.img}}" />
+        {{#if this.selected}}
+            <div class="preview-selected-icon-container">
+                <i class="fa-solid fa-check"></i>
+            </div>
+        {{/if}}
+    </div>
+    <div class="preview-text-container">{{this.name}}</div>
+</div>