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

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,