add instruction, step to follow  Yoga 

<img width="960" alt="gs1" src="https://user-images.githubusercontent.com/77492052/160972144-c44f4055-3261-48c9-9182-1b9390767433.PNG">
Clicking 'Pilates Yoga', 'Vinyasa Yoga' and 'Hatha Yoga' doesn't filter the different types of yoga postures for the user. Only the 'All Yoga' section is active and available. 