'seafile_sync/Dockerfile' updaten

seafile_sync/Dockerfile

@@ -1,9 +1,2 @@
-docker run \
+# https://gitlab.com/flwgns-docker/seafile-client/
-  --rm \
+FROM flowgunso/seafile-client:latest
-  --privileged \
-  -v ~/.docker:/root/.docker \
-  homeassistant/amd64-builder \
-  --all \
-  -t addon-folder \
-  -r https://github.com/xy/addons \
-  -b branchname