Add uiuxjobsboard.com (#931)

* Added uiuxjobsboard.com

* Removed job board with paywall/login

Author: iamnicolae

README.md

@@ -176,7 +176,6 @@ A curated list of awesome [remote working](https://en.wikipedia.org/wiki/Telecom
   1. [Slasify](https://slasify.com/en) - Remote tech, art/design and marketing opportunities from Asia, global payroll service included.
   1. [Stream Native Jobs](https://streamnative.io/careers) - Scroll down to `Join Us`
   1. [SwissDev Jobs](https://swissdevjobs.ch/) - Filter -> "Remote / Work from home"
-  1. [UI & UX Designer Jobs](https://uiuxdesignerjobs.com/remote-ui-ux-designer-jobs/) - Remote jobs for UI, UX & UXR Designers
   1. [Upwork](https://www.upwork.com) - Find remote jobs in any category
   1. [Virtual Vocations](https://www.virtualvocations.com/)
   1. [Vue.js Jobs](https://vuejobs.com/) Find Vue.js jobs all around the world - Click on "Remote" tab.
@@ -189,6 +188,7 @@ A curated list of awesome [remote working](https://en.wikipedia.org/wiki/Telecom
   1.  [Dataaxy](https://dataaxy.com) Job board and reverse job board specialized in Data and AI in North America
   1.  [Freel](https://freel.ca) Freelancers job board in Canada
   1.  [DevOpsJobs](https://devopsprojectshq.com) DevOps, SRE, Cloud and Platform engineering jobs
+  1. [UI/UX Jobs Board](https://uiuxjobsboard.com/design-jobs/remote) - Remote jobs for UI/UX designers
 ## Job boards aggregators
   1. [Career Vault](https://careervault.io/) - Hundreds of remote jobs added each day from thousands of company career pages. Free and no signup required.
   1. [Findwork](https://findwork.dev/) Crawls multiple job boards and enriches job postings with Glassdoor (reviews) and Crunchbase (funding).