Initialisation

Added the packages and files for the backend server

node_modules/graphql/language/index.mjs

@@ -0,0 +1,29 @@
+export { Source } from './source.mjs';
+export { getLocation } from './location.mjs';
+export { printLocation, printSourceLocation } from './printLocation.mjs';
+export { Kind } from './kinds.mjs';
+export { TokenKind } from './tokenKind.mjs';
+export { Lexer } from './lexer.mjs';
+export { parse, parseValue, parseConstValue, parseType } from './parser.mjs';
+export { print } from './printer.mjs';
+export {
+  visit,
+  visitInParallel,
+  getVisitFn,
+  getEnterLeaveForKind,
+  BREAK,
+} from './visitor.mjs';
+export { Location, Token, OperationTypeNode } from './ast.mjs';
+export {
+  isDefinitionNode,
+  isExecutableDefinitionNode,
+  isSelectionNode,
+  isValueNode,
+  isConstValueNode,
+  isTypeNode,
+  isTypeSystemDefinitionNode,
+  isTypeDefinitionNode,
+  isTypeSystemExtensionNode,
+  isTypeExtensionNode,
+} from './predicates.mjs';
+export { DirectiveLocation } from './directiveLocation.mjs';