fix client: download fallback to github release client

+ add fallback release version data to version.txt
+ move classproperty class to utils
+ update Dockerfile to install from source using pip install
+ move version info to Metadata class in settings.py

Dockerfile

@@ -1,21 +1,22 @@
 FROM python:3.11-slim
-WORKDIR /app/swingmusic
-
-# Copy the files in the current dir into the container
-# copy wheelhouse and client
-COPY wheels wheels
-
+WORKDIR /app
 
 LABEL "author"="swing music"
 EXPOSE 1970/tcp
 VOLUME /music
 VOLUME /config
 
-RUN apt-get update && apt-get install -y gcc git libev-dev python3-dev ffmpeg libavcodec-extra && \
-apt-get clean && \
-rm -rf /var/lib/apt/lists/*
+RUN apt-get update 
 
-RUN pip install --no-cache-dir --find-links=wheels/ swingmusic
-Run rm -rf /app/swingmusic/wheels
+RUN apt-get install -y gcc libev-dev 
+RUN apt-get install -y ffmpeg libavcodec-extra 
+RUN apt-get clean && rm -rf /var/lib/apt/lists/*
+
+# Copy repo root files needed for installation
+COPY pyproject.toml requirements.txt version.txt ./ 
+COPY src/ ./src/
+
+# Install the package and its dependencies
+RUN pip install --no-cache-dir .
 
 ENTRYPOINT ["python", "-m", "swingmusic", "--host", "0.0.0.0", "--config", "/config"]