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/index.ts

@@ -1,8 +1,8 @@
-export * from "./users";
-export * from "./rbac";
-export * from "./sessions";
 export * from "./api_keys";
-export * from "./tags";
-export * from "./content";
-export * from "./reports";
 export * from "./audit_logs";
+export * from "./content";
+export * from "./rbac";
+export * from "./reports";
+export * from "./sessions";
+export * from "./tags";
+export * from "./users";