feat: add CASL authorization and AI configuration

apps/server/src/authorization/authorization.module.ts

@@ -0,0 +1,11 @@
+import { Global, Module } from '@nestjs/common';
+import { CaslAbilityFactory } from './casl-ability.factory';
+import { AuthorizationService } from './authorization.service';
+import { PoliciesGuard } from './guards/policies.guard';
+
+@Global()
+@Module({
+  providers: [CaslAbilityFactory, AuthorizationService, PoliciesGuard],
+  exports: [CaslAbilityFactory, AuthorizationService, PoliciesGuard],
+})
+export class AuthorizationModule {}