docs: add TS signature

README.md

@@ -56,7 +56,7 @@ Nuxt Auth Utils automatically adds some plugins to fetch the current user sessio
 
 ```vue
 <script setup>
-const { loggedIn, user, session, clear } = useUserSession()
+const { loggedIn, user, session, fetch, clear } = useUserSession()
 </script>
 
 <template>
@@ -72,6 +72,37 @@ const { loggedIn, user, session, clear } = useUserSession()
 </template>
 ```
 
+**TypeScript Signature:**
+
+```ts
+interface UserSessionComposable {
+  /**
+   * Computed indicating if the auth session is ready
+   */
+  ready: ComputedRef<boolean>
+  /**
+   * Computed indicating if the user is logged in.
+   */
+  loggedIn: ComputedRef<boolean>
+  /**
+   * The user object if logged in, null otherwise.
+   */
+  user: ComputedRef<User | null>
+  /**
+   * The session object.
+   */
+  session: Ref<UserSession>
+  /**
+   * Fetch the user session from the server.
+   */
+  fetch: () => Promise<void>
+  /**
+   * Clear the user session and remove the session cookie.
+   */
+  clear: () => Promise<void>
+}
+```
+
 ## Server Utils
 
 The following helpers are auto-imported in your `server/` directory.