Initialisation

Added the packages and files for the backend server

node_modules/graphql/language/predicates.d.ts

@@ -0,0 +1,33 @@
+import type {
+  ASTNode,
+  ConstValueNode,
+  DefinitionNode,
+  ExecutableDefinitionNode,
+  SelectionNode,
+  TypeDefinitionNode,
+  TypeExtensionNode,
+  TypeNode,
+  TypeSystemDefinitionNode,
+  TypeSystemExtensionNode,
+  ValueNode,
+} from './ast';
+export declare function isDefinitionNode(node: ASTNode): node is DefinitionNode;
+export declare function isExecutableDefinitionNode(
+  node: ASTNode,
+): node is ExecutableDefinitionNode;
+export declare function isSelectionNode(node: ASTNode): node is SelectionNode;
+export declare function isValueNode(node: ASTNode): node is ValueNode;
+export declare function isConstValueNode(node: ASTNode): node is ConstValueNode;
+export declare function isTypeNode(node: ASTNode): node is TypeNode;
+export declare function isTypeSystemDefinitionNode(
+  node: ASTNode,
+): node is TypeSystemDefinitionNode;
+export declare function isTypeDefinitionNode(
+  node: ASTNode,
+): node is TypeDefinitionNode;
+export declare function isTypeSystemExtensionNode(
+  node: ASTNode,
+): node is TypeSystemExtensionNode;
+export declare function isTypeExtensionNode(
+  node: ASTNode,
+): node is TypeExtensionNode;