chore(api): add script to generate vapid keys (#901)

Co-authored-by: Johan Book <{ID}+{username}@users.noreply.github.com>

Author: johanbook

services/api/scripts/generate-vapid-keys

@@ -0,0 +1,6 @@
+#!/bin/bash
+
+# Exit immediately if a command exits with a non-zero status
+set -e
+
+npx ts-node ./dist/cli/generate-vapid-keys.cli.js

services/api/src/cli/generate-vapid-keys.cli.ts

@@ -0,0 +1,5 @@
+import { generateVAPIDKeys } from "web-push";
+
+const keys = generateVAPIDKeys();
+console.log(`VAPID_PRVIVATE_KEY=${keys.privateKey}`);
+console.log(`VAPID_PUBLIC_KEY=${keys.publicKey}`);