Improved CLI error messages

cli.mjs

@@ -31,7 +31,14 @@ const args = process.argv
 const fileName = args[0];
 const scriptArgs = args.slice(1);
 
-const rendered = await renderFile(fileName);
+let rendered;
+try {
+  rendered = await renderFile(fileName);
+} catch (e) {
+  console.log("Error Rendering Template:")
+  console.log(e?.message || "Unknown Error");
+  process.exit(0);
+}
 
 if (compileOnly) {
   process.stdout.write(rendered);