edit:module:auth:*logout | add single line documentation for logout module

src/modules/auth/controller/logout.controller.ts

@@ -11,13 +11,16 @@ import { logoutService } from "../services/logout.service";
 
 export const logoutController = async (ctx: Context) => {
   try {
+    // Get the user cookie from the request, if not found, return an error
     const userCookie = getCookie(ctx);
     if (!userCookie || !userCookie.auth_token) {
       return returnErrorResponse(ctx.set, 401, "You're not logged in yet");
     }
 
+    // Call the logout service to clear the user session
     const clearSession = logoutService(userCookie.auth_token);
 
+    // Clear the auth cookie from the user session
     clearCookies(ctx.set, [COOKIE_KEYS.AUTH]);
     return returnWriteResponse(
       ctx.set,
@@ -25,6 +28,8 @@ export const logoutController = async (ctx: Context) => {
       "Successfully logged out",
       clearSession
     );
+
+    // If there's an error during the logout process, handle it
   } catch (error) {
     return mainErrorHandler(ctx.set, error);
   }

src/modules/auth/services/logout.service.ts

@@ -4,11 +4,15 @@ import { deleteUserSessionInCacheAndDBService } from "../../userSession/services
 
 export const logoutService = async (userCookie: string) => {
   try {
+    // Decode the JWT token to get the user session
     const jwtToken = jwtDecode(userCookie);
+
+    // Delete the user session from cache and database
     const deleteUserSessionInCacheAndDB =
       deleteUserSessionInCacheAndDBService(jwtToken);
-
     return deleteUserSessionInCacheAndDB;
+
+    // If the session was not found in the cache or database, throw an error
   } catch (error) {
     ErrorForwarder(error, 500, "Logout service had encountered error");
   }

src/modules/userSession/services/deleteUserSessionInCacheAndDB.service.ts

@@ -7,14 +7,19 @@ export const deleteUserSessionInCacheAndDBService = async (
   jwtToken: JWTAuthToken
 ) => {
   try {
+    // Construct the userId and sessionId from the JWT token
     const userId = jwtToken.userId;
     const sessionId = jwtToken.id;
 
+    // Delete the user session from cache and database
     await deleteUserSessionFromCacheRepo(userId, sessionId);
     const deleteUserSessionFromDB = await deleteUserSessionFromDBRepo(
       sessionId
     );
+
     return deleteUserSessionFromDB;
+
+    // If the session was not found in the cache or database, throw an error
   } catch (error) {
     ErrorForwarder(
       error,