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>

src/apollo/auth.ts

@@ -0,0 +1,23 @@
+import { AUTH_ACCESS_TOKEN } from "@/constants";
+import { ApolloLink } from "@apollo/client/core";
+
+export function generateTokenHeader() {
+  const token = localStorage.getItem(AUTH_ACCESS_TOKEN);
+
+  return token ? `Bearer ${token}` : null;
+}
+
+const authMiddleware = new ApolloLink((operation, forward) => {
+  // add the authorization to the headers
+  operation.setContext({
+    headers: {
+      authorization: generateTokenHeader(),
+    },
+  });
+
+  if (forward) return forward(operation);
+
+  return null;
+});
+
+export { authMiddleware };