update icai link

Author: Issa Hanou

_news/phd.md

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-I started my PhD in the <a href="https://icai.ai/icai-labs/rail/">RAIL lab</a> with <a href="https://www.tudelft.nl/ewi/over-de-faculteit/afdelingen/software-technology/algorithmics/people/mathijs-de-weerdt">Mathijs de Weerdt</a> and <a href="https://sebdumancic.github.io/">Sebastijan Dumancic</a>.
+I started my PhD in the <a href="https://www.icai.ai/labs/rail-lab-delft">RAIL lab</a> with <a href="https://www.tudelft.nl/ewi/over-de-faculteit/afdelingen/software-technology/algorithmics/people/mathijs-de-weerdt">Mathijs de Weerdt</a> and <a href="https://sebdumancic.github.io/">Sebastijan Dumancic</a>.

_pages/about.md

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-As a PhD student in the <a href="https://icai.ai/icai-labs/rail/">RAIL Lab</a>, I work with the Dutch railway companies to look at the logistics involved in maintaining the rolling stock outside the runtimes in the timetable. In my work, I combine fields of classical planning, program synthesis, neuro-symbolic programming and probabilistic programming. 
+As a PhD student in the <a href="https://www.icai.ai/labs/rail-lab-delft">RAIL Lab</a>, I work with the Dutch railway companies to look at the logistics involved in maintaining the rolling stock outside the runtimes in the timetable. In my work, I combine fields of classical planning, program synthesis, neuro-symbolic programming and probabilistic programming. 
 
 Previous to starting my PhD position, I did both my bachelors and masters degrees at TU Delft. During my studies, I was a TA for several courses within the bachelor's program as well.