added a (really really) rudimentary character Sheet

src/main.mjs

@@ -1,5 +1,6 @@
 import {PlayerCharacterDataModel} from "./module/character/character.mjs";
 import {DsaActor} from "./module/Actors/dsa-actor.mjs";
+import {CharacterSheet} from "./module/Sheet/CharacterSheet.mjs";
 
 Hooks.once("init", () => {
     // Configure custom Document implementations.
@@ -10,5 +11,10 @@ Hooks.once("init", () => {
         character: PlayerCharacterDataModel,
     };
 
+    foundry.documents.collections.Actors.registerSheet("dsa41.character", CharacterSheet, {
+        types: ["character"],
+        makeDefault: true
+    });
+
     console.log("DSA 4.1 is ready for development!")
 })

src/module/Sheet/CharacterSheet.mjs

@@ -0,0 +1,20 @@
+/**
+ * Extend the basic ActorSheet with some very simple modifications
+ * @extends {ActorSheet}
+ */
+export class CharacterSheet extends ActorSheet {
+
+    /** @override */
+    static get defaultOptions() {
+        return foundry.utils.mergeObject(super.defaultOptions, {
+            template: "systems/DSA_4-1/templates/sheets/character-sheet.hbs",
+            width: 600,
+            height: 600,
+        });
+    }
+
+}
+
+Handlebars.registerHelper("formatCharacter", function(actor) {
+    return JSON.stringify(actor, null, 4);
+});

src/templates/sheets/character-sheet.hbs

@@ -0,0 +1,10 @@
+<form class="flexcol" autocomplete="off">
+    <header class="sheet-header">
+        <div class="header-fields">
+            <h1 class="charname">{{actor.name}}</h1>
+        </div>
+    </header>
+    <section class="sheet-body">
+        <textarea readonly>{{formatCharacter actor}}</textarea>
+    </section>
+</form>