reflecting some changes in aqua to fix the url-downloader example (#347)

Co-authored-by: igor <dev@igor.sh>

marine-examples/url-downloader/deploy.sh

@@ -1,13 +1,33 @@
 #!/usr/bin/env bash
 set -o errexit -o nounset -o pipefail
 
+function is_installed {
+      if command -v "$1" >/dev/null 2>&1; then
+         echo "${1} is installed"
+      else
+         echo "${1} not found, please install it"
+         echo "exiting..."
+         exit 1
+      fi
+}
+
+echo "building wasm modules..."
 # build wasms
 ./build.sh
 
 (
+ is_installed jq
+ is_installed aqua
+
+ echo "generating keys..."
+
+ SK=$(aqua key create | jq -r ."secretKey")
+ 
+ echo "deploying the url-downloader service"
 
  aqua remote deploy_service \
        --addr /dns4/kras-05.fluence.dev/tcp/19001/wss/p2p/12D3KooWCMr9mU894i8JXAFqpgoFtx6qnV1LFPSfVc3Y34N4h4LS \
        --config-path deployment_cfg.json \
+       --sk ${SK} \
        --service url-downloader
 )