fix: reference to non-existing field in molaoshi

package.json

 {
   "name": "kartenaale-card-templates",
-  "version": "5.0.0",
+  "version": "5.0.1",
   "description": "HTML and data for Anki cards",
   "repository": "https://gitlab.phaidra.org/kartenaale/card-templates",
   "author": "Philipp Stadler <hello@phstadler.com>",

src/templates/molaoshi/.template-spec.yaml

-template_version: 2024-07-25 10:00:00+00:00
+template_version: 2024-07-25 11:00:00+00:00
 
 note_type:
   id: 2024-02-20 12:00:00+00:00

src/templates/molaoshi/hear/back.html

@@ -21,8 +21,8 @@
     <dd>{{Bemerkungen}}</dd>
     <dt>Beispiele</dt>
     <dd>{{Beispiele}}</dd>
-    <dt>Source</dt>
-    <dd class="text-light">{{Source}}</dd>
+    <dt>Quelle</dt>
+    <dd class="text-light">{{Quelle}}</dd>
     <details class="answer-details">
       <summary>
         <span class="answer-details-more">Mehr…</span>