[FEATURE] setup of package caching

install.sh

@@ -58,6 +58,12 @@ echo -e "\033[0;32mNode installed ✓\033[0m\n"
 echo -e "\033[0;34mInstall dependencies\033[0m";
 rm -rf ./node_modules
 npm install yarn
+
+# offline mirror
+echo -e "\033[0;34mCreate offline mirror for node deps\033[0m";
+node_modules/yarn/bin/yarn config set yarn-offline-mirror ./sgc-packages-offline-cache
+node_modules/yarn/bin/yarn config set yarn-offline-mirror-pruning true
+
 node_modules/yarn/bin/yarn install
 echo -e "\033[0;32mDependencies installed ✓\033[0m\n"