Initialisation

Added the packages and files for the backend server

node_modules/graphql/validation/rules/NoUnusedFragmentsRule.d.ts

@@ -0,0 +1,13 @@
+import type { ASTVisitor } from '../../language/visitor';
+import type { ASTValidationContext } from '../ValidationContext';
+/**
+ * No unused fragments
+ *
+ * A GraphQL document is only valid if all fragment definitions are spread
+ * within operations, or spread within other fragments spread within operations.
+ *
+ * See https://spec.graphql.org/draft/#sec-Fragments-Must-Be-Used
+ */
+export declare function NoUnusedFragmentsRule(
+  context: ASTValidationContext,
+): ASTVisitor;