feat: implement database setup, logging, and workflow management

- Added database configuration and migration setup using Knex.
- Implemented a logging system with Pino, including log persistence and flushing.
- Created a server runner with Fastify, integrating authentication and various API routes.
- Introduced a script sandbox for executing user-defined scripts with restricted access.
- Established initial workflows and scripts for manual and cron triggers.
- Included documentation for API endpoints and workflows.

packages/server/scripts/add-one.js

@@ -0,0 +1,4 @@
+export default function main(context) {
+    log.info({ data: context.data }, "add-one");
+    return { data: (context.data || 0) + 1 };
+}