Add docker stuff

scripts/Dockerfile

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+FROM eclipse-temurin:25-jre
+
+LABEL maintainer="Elijah"
+
+ARG BUILD_DATE
+ARG VERSION
+
+LABEL org.label-schema.schema-version="1.0"
+LABEL org.label-schema.build-date=$BUILD_DATE
+LABEL org.label-schema.name="jmusicbot25"
+LABEL org.label-schema.description="Java based Discord music bot"
+LABEL org.label-schema.version=$VERSION
+LABEL org.label-schema.docker.cmd="docker run -v ./config:/jmb/config -d jmusicbot25"
+
+# Install tini (Debian-based now, so use apt)
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends tini && \
+    rm -rf /var/lib/apt/lists/*
+
+RUN mkdir -p /jmb/config
+
+COPY JMusicBot-Snapshot-All.jar /jmb/JMusicBot.jar
+COPY docker-entrypoint.sh /jmb/docker-entrypoint.sh
+RUN chmod 755 /jmb/docker-entrypoint.sh
+
+VOLUME /jmb/config
+
+WORKDIR /jmb/config
+
+ENTRYPOINT ["/usr/bin/tini", "--", "/jmb/docker-entrypoint.sh"]

scripts/docker-compose.yaml

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+version: '2.2'
+
+services:
+  jmusicbot:
+    image: jmusicbot25
+    container_name: jmusicbot25-instance
+    restart: unless-stopped
+    volumes:
+     - ./config:/jmb/config

scripts/docker-entrypoint.sh

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+#!/bin/sh
+
+java -jar -Dnogui=true /jmb/JMusicBot.jar