Rename entrypoint.py to aptly-publish

Dockerfile

@@ -1,6 +1,6 @@
 FROM alpine
-ADD entrypoint.py /bin/
-RUN chmod +x /bin/entrypoint.py
+ADD aptly-publish /bin/
+RUN chmod +x /bin/aptly-publish
 RUN apk -Uuv add python3 py3-requests py3-urllib3 py3-pip
 RUN pip install debian-parser
-ENTRYPOINT /bin/entrypoint.py
+ENTRYPOINT /bin/aptly-publish