enhancement: add filtering to "All Members" page for nametags

Currently, at the [All Members](https://devx.network/whois) tab there is no way to filter by skill, job title, alphabetical, newest members etc.

<img width="1325" height="222" alt="Image" src="https://github.com/user-attachments/assets/374309b2-3e36-4072-849e-448ddc0b2fd7" />

Adding member filtering would be a great enhancement for the page. 