feat: enhance project structure with server and workflow management

- Introduced a new server package with Fastify for handling API requests and workflows.
- Implemented user authentication and authorization with JWT and cookie management.
- Added endpoints for managing workflows, runs, and user accounts.
- Established a dashboard for monitoring workflow status and statistics.
- Included a script sandbox for executing user-defined scripts securely.
- Updated README with setup instructions and API documentation.
- Configured database migrations for user management.
- Enhanced logging capabilities for better traceability.

packages/server/knexfile.js

@@ -1,7 +1,8 @@
 import fs from "fs";
 import path from "path";
+import { DATA_DIR, SERVER_ROOT } from "./paths.js";
 
-const dbPath = process.env.SCRUNNER_DB_PATH ?? path.resolve("data/scrunner.db");
+const dbPath = process.env.SCRUNNER_DB_PATH ?? path.join(DATA_DIR, "scrunner.db");
 fs.mkdirSync(path.dirname(dbPath), { recursive: true });
 
 /** @type {import("knex").Knex.Config} */
@@ -12,7 +13,7 @@ const config = {
   },
   useNullAsDefault: true,
   migrations: {
-    directory: "./migrations",
+    directory: path.join(SERVER_ROOT, "migrations"),
     extension: "js",
     loadExtensions: [".js"],
   },