Initialisation

Added the packages and files for the backend server

node_modules/graphql/utilities/coerceInputValue.d.ts

@@ -0,0 +1,16 @@
+import { GraphQLError } from '../error/GraphQLError';
+import type { GraphQLInputType } from '../type/definition';
+declare type OnErrorCB = (
+  path: ReadonlyArray<string | number>,
+  invalidValue: unknown,
+  error: GraphQLError,
+) => void;
+/**
+ * Coerces a JavaScript value given a GraphQL Input Type.
+ */
+export declare function coerceInputValue(
+  inputValue: unknown,
+  type: GraphQLInputType,
+  onError?: OnErrorCB,
+): unknown;
+export {};