chore: reformat schemas and documentation files for consistency

Standardized formatting across database schema files and updated documentation structure to improve clarity and organization.

backend/src/database/schemas/api_keys.ts

@@ -1,10 +1,10 @@
 import {
+	boolean,
+	index,
 	pgTable,
-	varchar,
 	timestamp,
 	uuid,
-	index,
-	boolean,
+	varchar,
 } from "drizzle-orm/pg-core";
 import { users } from "./users";