feat: Create initial Daggerheart stream overlay module with manifest, scripts, styles, templates, and localization files.

module.json

@@ -0,0 +1,50 @@
+{
+    "id": "dh-stream-overlay",
+    "title": "Daggerheart Stream Overlay",
+    "version": "1.0.0",
+    "compatibility": {
+        "minimum": "13",
+        "verified": "13"
+    },
+    "authors": [
+        {
+            "name": "CPTN Cosmo",
+            "email": "cptncosmo@gmail.com",
+            "url": "https://github.com/cptn-cosmo",
+            "discord": "cptn_cosmo"
+        }
+    ],
+    "relationships": {
+        "systems": [
+            {
+                "id": "daggerheart",
+                "type": "system",
+                "compatibility": {}
+            }
+        ],
+        "requires": []
+    },
+    "esmodules": [
+        "scripts/module.js"
+    ],
+    "languages": [
+        {
+            "lang": "en",
+            "name": "English",
+            "path": "languages/en.json"
+        },
+        {
+            "lang": "de",
+            "name": "Deutsch",
+            "path": "languages/de.json"
+        }
+    ],
+    "styles": [
+        "styles/stream-overlay.css"
+    ],
+    "packFolders": [],
+    "url": "https://github.com/cptn-cosmo/dh-stream-overlay",
+    "manifest": "https://github.com/cptn-cosmo/dh-stream-overlay/releases/latest/download/module.json",
+    "download": "https://github.com/cptn-cosmo/dh-stream-overlay/releases/download/1.0.0/dh-stream-overlay.zip",
+    "description": "A stream overlay module for Daggerheart that displays chat and a linked party actor sheet."
+}