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/workflows/default/test.yaml

@@ -0,0 +1,12 @@
+name: manual trigger
+scripts:
+  - get-current-time.js
+  - script: jsonata.js
+    config: 
+      expression: '{"data": {"message": datetime & " " & processId}}'
+  - ntfy.js
+triggers:
+  - type: HTTP
+    method: POST
+    path: /mt
+