[All orgs] Create filters in the All organizations page

**Is your feature request related to a problem? Please describe.**

When going to the "All NGOs"/"Explore organizations" page, the user is prompted with a list of the organizations, a search bar and the list of pages.
A filter should be added to allow people to find organizations that match their preferences more easily.

**Describe the solution you'd like**

A filter bar similar to the one in the redirections admin can be created.
Organizations should be filtered by:
- ...