Enforce front project structure through ESLINT (#7863)

Fixes: https://github.com/twentyhq/twenty/issues/7329

packages/twenty-front/src/modules/activities/blocks/constants/Schema.ts

@@ -0,0 +1,10 @@
+import { BlockNoteSchema, defaultBlockSpecs } from '@blocknote/core';
+
+import { FileBlock } from '../components/FileBlock';
+
+export const BLOCK_SCHEMA = BlockNoteSchema.create({
+  blockSpecs: {
+    ...defaultBlockSpecs,
+    file: FileBlock,
+  },
+});