build: Add automated dependency management for JavaScript libraries

- Sets up Dependabot for JS dependency updates
- Adds GitHub workflow for automated static dependency updates
- Creates update script for Preact and other static JS libraries
- Updates Preact to latest version via new automation

package-lock.json

@@ -0,0 +1,34 @@
+{
+  "name": "@gesellix/bose-soundtouch",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "@gesellix/bose-soundtouch",
+      "license": "MIT",
+      "dependencies": {
+        "htm": "3.1.1",
+        "preact": "10.26.1"
+      },
+      "engines": {
+        "node": ">=24.0.0"
+      }
+    },
+    "node_modules/htm": {
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/htm/-/htm-3.1.1.tgz",
+      "integrity": "sha512-983Vyg8NwUE7JkZ6NmOqpCZ+sh1bKv2iYTlUkzlWmA5JD2acKoxd4KVxbMmxX/85mtfdnDmTFoNKcg5DGAvxNQ==",
+      "license": "Apache-2.0"
+    },
+    "node_modules/preact": {
+      "version": "10.26.1",
+      "resolved": "https://registry.npmjs.org/preact/-/preact-10.26.1.tgz",
+      "integrity": "sha512-K5aMG0NdGHZ8yV1GfGtGA4JwnWxe/HIDzyr9svdo2DeokLUJ/+W8MpeuPrfOytu5rHHgYQrvGxUoW83sapJZnw==",
+      "license": "MIT",
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/preact"
+      }
+    }
+  }
+}