Update extension to be ready for 2025 and beyond

.editorconfig

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+# Generated by Home Manager
+root=true
+
+[*]
+charset=utf-8
+end_of_line=lf
+indent_size=4
+indent_style=space
+insert_final_newline=true
+trim_trailing_whitespace=true
+

.github/workflows/deploy.yaml

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+#
+name: Create and publish a Docker image
+
+# Configures this workflow to run every time a change is pushed to the branch called `release`.
+on:
+    push:
+        branches: ["master", "main"]
+
+# Defines two custom environment variables for the workflow. These are used for the Container registry domain, and a name for the Docker image that this workflow builds.
+env:
+    REGISTRY: ghcr.io
+    IMAGE_NAME: ${{ github.repository }}
+
+# There is a single job in this workflow. It's configured to run on the latest available version of Ubuntu.
+jobs:
+    build-and-push-image:
+        runs-on: ubuntu-latest
+        strategy:
+            matrix:
+                platform: [linux/amd64, linux/arm64, linux/arm]
+
+        # Sets the permissions granted to the `GITHUB_TOKEN` for the actions in this job.
+        permissions:
+            contents: read
+            packages: write
+            #
+        steps:
+            - name: Checkout repository
+              uses: actions/checkout@v4
+
+            # Uses the `docker/login-action` action to log in to the Container registry registry using the account and password that will publish the packages. Once published, the packages are scoped to the account defined here.
+            - name: Log in to the Container registry
+              uses: docker/login-action@65b78e6e13532edd9afa3aa52ac7964289d1a9c1
+              with:
+                  registry: ${{ env.REGISTRY }}
+                  username: ${{ github.actor }}
+                  password: ${{ secrets.GITHUB_TOKEN }}
+
+            # This step uses [docker/metadata-action](https://github.com/docker/metadata-action#about) to extract tags and labels that will be applied to the specified image. The `id` "meta" allows the output of this step to be referenced in a subsequent step. The `images` value provides the base name for the tags and labels.
+            - name: Extract metadata (tags, labels) for Docker
+              id: meta
+              uses: docker/metadata-action@9ec57ed1fcdbf14dcef7dfbe97b2010124a938b7
+              with:
+                  images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+
+            # This step uses the `docker/build-push-action` action to build the image, based on your repository's `Dockerfile`. If the build succeeds, it pushes the image to GitHub Packages.
+            # It uses the `context` parameter to define the build's context as the set of files located in the specified path. For more information, see "[Usage](https://github.com/docker/build-push-action#usage)" in the README of the `docker/build-push-action` repository.
+            # It uses the `tags` and `labels` parameters to tag and label the image with the output from the "meta" step.
+            - name: Build and push Docker image
+              uses: docker/build-push-action@f2a1d5e99d037542a71f64918e516c093c6f3fc4
+              with:
+                  context: .
+                  push: true
+                  tags: ${{ steps.meta.outputs.tags }}
+                  labels: ${{ steps.meta.outputs.labels }}

.reg/settings

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+# Set the AUTHOR variable to the name you want to be presented with to the user
+AUTHOR="doc bobo"
+
+# Set the extension ID to a string that uniquely identifies your extension, e.g. based on an internet domain you own
+EXTENSION_ID=org.pruessmann.roon-extension-denon
+
+# Set the NAME variable to the name of your extension
+NAME=roon-extension-denon
+
+# Set the FRIENDLY_NAME variable to a more readable name for your extension
+FRIENDLY_NAME="Denon/Marantz AVR"
+
+# Set the DESCRIPTION variable to a single line string that summarizes the function of your extension
+DESCRIPTION="Roon Volume Control Extension for Denon/Marantz AVR receivers"
+
+# Set the VERSION variable to the version number of your extension
+VERSION=2025.1.1
+
+# Set the EMAIL variable to the address that users can use for support questions
+[email protected]
+
+# Set the WEBSITE variable to the location where more information about your extension can be found
+# This can be your website, a Roon Community forum post, the GitHub respository of your extension, etc.
+WEBSITE=https://github.com/docbobo/roon-extension-denon
+
+# Set the MAIN_FILE variable to the main source file of your extension
+MAIN_FILE=app.js
+
+# Set the USER variable to your Docker Hub account name
+USER=docbobo

Dockerfile

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+FROM node:23-alpine3.21
+
+# Create app directory
+WORKDIR /usr/src/app
+
+# Install app dependencies
+# A wildcard is used to ensure both package.json AND package-lock.json are copied
+# where available (npm@5+)
+COPY package*.json ./
+
+RUN npm install
+# If you are building your code for production
+# RUN npm ci --only=production
+
+# Bundle app source
+COPY . .
+
+CMD [ "node", "app.js" ]