Add Icon to roles (#10842)

## Context
Adding icon column to role table to distinguish roles.

<img width="621" alt="Screenshot 2025-03-13 at 11 02 37"
src="https://github.com/user-attachments/assets/dc7b121c-2901-4599-9638-d5dcdf443999"
/>

packages/twenty-server/src/database/typeorm/metadata/migrations/1741859116265-addIconToRole.ts

@@ -0,0 +1,15 @@
+import { MigrationInterface, QueryRunner } from 'typeorm';
+
+export class AddIconToRole1741859116265 implements MigrationInterface {
+  name = 'AddIconToRole1741859116265';
+
+  public async up(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.query(
+      `ALTER TABLE "metadata"."role" ADD "icon" character varying`,
+    );
+  }
+
+  public async down(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.query(`ALTER TABLE "metadata"."role" DROP COLUMN "icon"`);
+  }
+}