Restructure codebase to use src directory

src/services/BeerPost/getBeerPostById.ts

@@ -0,0 +1,28 @@
+import DBClient from '@/prisma/DBClient';
+import beerPostQueryResult from '@/services/BeerPost/schema/BeerPostQueryResult';
+import { z } from 'zod';
+
+const prisma = DBClient.instance;
+
+const getBeerPostById = async (id: string) => {
+  const beerPost: z.infer<typeof beerPostQueryResult> | null =
+    await prisma.beerPost.findFirst({
+      select: {
+        id: true,
+        name: true,
+        ibu: true,
+        abv: true,
+        createdAt: true,
+        description: true,
+        postedBy: { select: { username: true, id: true } },
+        brewery: { select: { name: true, id: true } },
+        type: { select: { name: true, id: true } },
+        beerImages: { select: { alt: true, path: true, caption: true, id: true } },
+      },
+      where: { id },
+    });
+
+  return beerPost;
+};
+
+export default getBeerPostById;