Fix doctyping

Author: Mathieu2301

src/classes/PinePermManager.js

@@ -40,7 +40,7 @@ class PinePermManager {
    * | 'expiration,user__username'
    * | '-expiration,user__username'
    * } order Fetching order
-   * @returns {AuthorizationUser[]}
+   * @returns {Promise<AuthorizationUser[]>}
    */
   async getUsers(limit = 10, order = '-created') {
     try {
@@ -66,7 +66,7 @@ class PinePermManager {
    * Adds an user to the authorized list
    * @param {string} username User's username
    * @param {Date} [expiration] Expiration date
-   * @returns {'ok' | 'exists' | null}
+   * @returns {Promise<'ok' | 'exists' | null>}
    */
   async addUser(username, expiration = null) {
     try {
@@ -100,7 +100,7 @@ class PinePermManager {
    * Modify an authorization expiration date
    * @param {string} username User's username
    * @param {Date} [expiration] New expiration date
-   * @returns {'ok' | null}
+   * @returns {Promise<'ok' | null>}
    */
   async modifyExpiration(username, expiration = null) {
     try {
@@ -133,7 +133,7 @@ class PinePermManager {
   /**
    * Removes an user to the authorized list
    * @param {string} username User's username
-   * @returns {'ok' | null}
+   * @returns {Promise<'ok' | null>}
    */
   async removeUser(username) {
     try {