feat: upload module (#486)

* feat: wip upload module

* feat: local storage and serve local images

* feat: protect against injections

* feat: server local and s3 files

* fix: use storage location when serving local files

* feat: cross field env validation

server/src/integrations/environment/environment.module-definition.ts

@@ -0,0 +1,8 @@
+import { ConfigurableModuleBuilder } from '@nestjs/common';
+
+export const { ConfigurableModuleClass, MODULE_OPTIONS_TOKEN } =
+  new ConfigurableModuleBuilder({
+    moduleName: 'Environment',
+  })
+    .setClassMethodName('forRoot')
+    .build();