fix: Add etcdctl and jq to Dockerfile package installation

Dockerfile

@@ -24,7 +24,7 @@ FROM ghcr.io/lumeweb/akash-metrics-exporter:develop AS metrics-exporter
 FROM alpine:latest
 
 # Install required packages
-RUN apk add --no-cache mysql-client mariadb-connector-c caddy
+RUN apk add --no-cache mysql-client mariadb-connector-c caddy etcd-ctl jq
 
 # Create MySQL config directory
 RUN mkdir -p /etc/my.cnf.d
@@ -53,4 +53,4 @@ VOLUME [ "/data" ]
 EXPOSE 443 444 8080 9980
 
 # Set entrypoint
-ENTRYPOINT ["/entrypoint.sh"]
+ENTRYPOINT ["/entrypoint.sh"]