docs: add jsdoc

src/store/auth-slice.ts

@@ -1,20 +1,63 @@
 import { createSlice } from "@reduxjs/toolkit"
 
+/**
+ * Defines the structure of the authentication state within the Redux store.
+ */
 interface AuthState {
+  /**
+   * Indicates whether a user is currently authenticated.
+   * @type {boolean}
+   */
   isAuthenticated: boolean
 }
 
+/**
+ * The initial state for the authentication slice.
+ *
+ * By default, the user is considered unauthenticated.
+ *
+ * @constant
+ * @type {AuthState}
+ */
 const initialState: AuthState = {
   isAuthenticated: false
 }
 
+/**
+ * A Redux Toolkit slice for managing authentication-related state.
+ *
+ * This slice includes the reducer, actions, and initial state for the authentication feature.
+ * Currently, it only defines the initial state and no specific reducers, meaning it only
+ * holds the `isAuthenticated` flag.
+ */
 const authSlice = createSlice({
+  /**
+   * The name of the slice, used to generate action types.
+   * @type {string}
+   */
   name: "auth",
+  /**
+   * The initial state for this slice.
+   * @type {AuthState}
+   */
   initialState,
+  /**
+   * An object of reducer functions. Currently empty, meaning no actions are explicitly defined for
+   * state modification within this slice.
+   * @type {object}
+   */
   reducers: {
 
   }
 })
 
 // export const {  } = authSlice.actions
+
+/**
+ * The reducer function for the authentication slice.
+ *
+ * This is the default export and should be combined with other reducers in the Redux store.
+ *
+ * @default
+ */
 export default authSlice.reducer