feat: wip casl policies (#334)

* feat: wip casl policies

* feat: add ability guard on pipeline resolvers

* fix: test

server/src/app.module.ts

@@ -5,9 +5,11 @@ import { AppService } from './app.service';
 import { ConfigModule } from '@nestjs/config';
 import { CoreModule } from './core/core.module';
 import { ApolloDriver, ApolloDriverConfig } from '@nestjs/apollo';
+import { ApolloServerPluginLandingPageLocalDefault } from '@apollo/server/plugin/landingPage/default';
 import { GraphQLError } from 'graphql';
 import { PrismaModule } from './database/prisma.module';
 import { HealthModule } from './health/health.module';
+import { AbilityModule } from './ability/ability.module';
 
 @Module({
   imports: [
@@ -15,9 +17,11 @@ import { HealthModule } from './health/health.module';
       isGlobal: true,
     }),
     GraphQLModule.forRoot<ApolloDriverConfig>({
+      playground: false,
       context: ({ req }) => ({ req }),
       driver: ApolloDriver,
       autoSchemaFile: true,
+      plugins: [ApolloServerPluginLandingPageLocalDefault()],
       formatError: (error: GraphQLError) => {
         error.extensions.stacktrace = undefined;
         return error;
@@ -25,6 +29,7 @@ import { HealthModule } from './health/health.module';
     }),
     PrismaModule,
     HealthModule,
+    AbilityModule,
     CoreModule,
   ],
   providers: [AppService],