ci(aio): add initial implementation for aio-builds setup

aio/aio-builds-setup/dockerbuild/scripts-js/lib/common/utils.ts

@@ -0,0 +1,11 @@
+// Functions
+export const getEnvVar = (name: string, isOptional = false): string => {
+  const value = process.env[name];
+
+  if (!isOptional && !value) {
+    console.error(`ERROR: Missing required environment variable '${name}'!`);
+    process.exit(1);
+  }
+
+  return value || '';
+};