build: switch from yarn to npm to manage js dependencies and move js contents to root

yarn v1 is being deprecated and starts to have some issues

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

tests/unit/specs/common.ts

@@ -0,0 +1,20 @@
+import { ICurrentUserRole } from "@/types/enums";
+
+export const defaultResolvers = {
+  Query: {
+    currentUser: (): Record<string, any> => ({
+      email: "user@mail.com",
+      id: "2",
+      role: ICurrentUserRole.USER,
+      isLoggedIn: true,
+      __typename: "CurrentUser",
+    }),
+    currentActor: (): Record<string, any> => ({
+      id: "67",
+      preferredUsername: "someone",
+      name: "Personne",
+      avatar: null,
+      __typename: "CurrentActor",
+    }),
+  },
+};