Added file to create the sticky-notes table

Added file to create the sticky-notes table. Fixed the issue with other migration file trying to add columns to a table that did not exist.

devU-api/src/migration/1731177885475-add-sticky-notes.ts

@@ -0,0 +1,16 @@
+import { MigrationInterface, QueryRunner } from "typeorm";
+
+export class AddStickyNotes1731177885475 implements MigrationInterface {
+    name = 'AddStickyNotes1731177885475'
+
+    public async up(queryRunner: QueryRunner): Promise<void> {
+        await queryRunner.query(`CREATE TABLE "sticky_notes" ("id" SERIAL NOT NULL, "submissionId" integer NOT NULL, "content" character varying NOT NULL, CONSTRAINT "PK_615fc1d0c6b75c46aa2a7dd5f0a" PRIMARY KEY ("id"))`);
+        await queryRunner.query(`ALTER TABLE "sticky_notes" ADD CONSTRAINT "FK_a92bd7a1dc5c606db210b176a43" FOREIGN KEY ("submissionId") REFERENCES "submissions"("id") ON DELETE NO ACTION ON UPDATE NO ACTION`);
+    }
+
+    public async down(queryRunner: QueryRunner): Promise<void> {
+        await queryRunner.query(`ALTER TABLE "sticky_notes" DROP CONSTRAINT "FK_a92bd7a1dc5c606db210b176a43"`);
+        await queryRunner.query(`DROP TABLE "sticky_notes"`);
+    }
+
+}