Initialisation

Added the packages and files for the backend server

node_modules/graphql/validation/rules/custom/NoSchemaIntrospectionCustomRule.d.ts

@@ -0,0 +1,15 @@
+import type { ASTVisitor } from '../../../language/visitor';
+import type { ValidationContext } from '../../ValidationContext';
+/**
+ * Prohibit introspection queries
+ *
+ * A GraphQL document is only valid if all fields selected are not fields that
+ * return an introspection type.
+ *
+ * Note: This rule is optional and is not part of the Validation section of the
+ * GraphQL Specification. This rule effectively disables introspection, which
+ * does not reflect best practices and should only be done if absolutely necessary.
+ */
+export declare function NoSchemaIntrospectionCustomRule(
+  context: ValidationContext,
+): ASTVisitor;