add mumble image

voice/mumble/Dockerfile

@@ -0,0 +1,18 @@
+FROM      --platform=$TARGETOS/$TARGETARCH alpine:3.16
+
+LABEL       author="Michael Parker" maintainer="parker@pterodactyl.io"
+
+LABEL     org.opencontainers.image.source="https://github.com/pterodactyl/yolks"
+LABEL     org.opencontainers.image.licenses=MIT
+
+##    install dependencies
+RUN   apk add --no-cache murmur
+
+RUN   adduser -D container
+
+USER   container
+ENV    USER=container HOME=/home/container
+WORKDIR /home/container
+
+COPY  ./entrypoint.sh /entrypoint.sh
+CMD   ["/bin/bash", "/entrypoint.sh"]