Initialisation

Added the packages and files for the backend server

node_modules/graphql/error/locatedError.d.ts

@@ -0,0 +1,13 @@
+import type { Maybe } from '../jsutils/Maybe';
+import type { ASTNode } from '../language/ast';
+import { GraphQLError } from './GraphQLError';
+/**
+ * Given an arbitrary value, presumably thrown while attempting to execute a
+ * GraphQL operation, produce a new GraphQLError aware of the location in the
+ * document responsible for the original Error.
+ */
+export declare function locatedError(
+  rawOriginalError: unknown,
+  nodes: ASTNode | ReadonlyArray<ASTNode> | undefined | null,
+  path?: Maybe<ReadonlyArray<string | number>>,
+): GraphQLError;