feat(init): Generate main_bench.ts by default (#16786)

This commit changes "deno init" to generate "main_bench.ts" file
which scaffold two example bench cases.

1 files changed, 9 insertions, 0 deletions

diff --git a/cli/tools/init/templates/main_bench.ts b/cli/tools/init/templates/main_bench.ts
new file mode 100644
index 000000000..5867ca0a6
--- /dev/null
+++ b/cli/tools/init/templates/main_bench.ts
@@ -0,0 +1,9 @@
+import { add } from "./main.ts";
+
+Deno.bench(function addSmall() {
+  add(1, 2);
+});
+
+Deno.bench(function addBig() {
+  add(2 ** 32, 2 ** 32);
+});