Initialisation

Added the packages and files for the backend server

node_modules/graphql/jsutils/didYouMean.d.ts

@@ -0,0 +1,8 @@
+/**
+ * Given [ A, B, C ] return ' Did you mean A, B, or C?'.
+ */
+export declare function didYouMean(suggestions: ReadonlyArray<string>): string;
+export declare function didYouMean(
+  subMessage: string,
+  suggestions: ReadonlyArray<string>,
+): string;