[feature-request]: use searchParams on all exercises page

[Clumsy-Coder]

Is your feature related to a problem?

use nextjs searchParams to filter exercises

Describe the new feature

• filter exercises using
  • target
  • equipment
  • body part
• should be able to filter exercises using multiple entries
  • Ex: multiple target, equipment or body part

Additional context

this will reduce the number of pages needed to display exercises

• instead of a page to display equipment exercises, there will be only one page that filter all the exercises