added resolvers, updated model, updated navbar

app/server/graphql/resolvers/bookChapterOne.ts

@@ -0,0 +1,17 @@
+import { IdentityContext } from '@app/server/identity';
+import { prisma } from '@app/server/prisma/client';
+import { BookChapter, QueryBookChapterOneArgs } from '@generated/types';
+import { toBookChapterSchema } from './mappers/bookChapterMapper';
+
+export async function BookChapterOneResolver(
+  _: any,
+  { id }: QueryBookChapterOneArgs,
+  { identity }: IdentityContext
+): Promise<BookChapter> {
+  const model = await prisma.bookChapter.findUniqueOrThrow({
+    where: {
+      id
+    }
+  });
+  return toBookChapterSchema(model);
+}