Fix fellows (#1866)

* Merging changes to existing Fellows md file ofr Andrii Len

* Deleted

* fixing dates

---------

Co-authored-by: Rob Tuck <[email protected]>

pages/fellows.md

@@ -160,5 +160,3 @@ constraints)
   </div>
   <br>
 </div>
-
-

pages/fellows/2022/Andreylen.md

@@ -7,18 +7,26 @@ fellow-name: Andrii Len
 title: Andrii Len - IRIS-HEP Fellow
 active: True
 dates:
-  start: 2022-06-27
+- start: 2022-06-27
   end: 2022-09-18
+- start: 2023-07-03
+  end: 2023-09-22
 photo: /assets/images/team/fellows-2022/Andrii-Len.jpg
 institution: Taras Shevchenko National University of Kyiv
 e-mail: [email protected]
-project_title: The usage of Deep Learning for QCD background estimation
-project_goal: >
+projects:
+- project_title: The usage of Deep Learning for QCD background estimation
+  project_goal: >
     The focus of the present project is to find optimal deep learning models to be used for the separation of signal and background events.
-mentors:
+  mentors:
   - Ece Asilar (CERN)
-
-proposal: /assets/pdf/fellows-2022/211-proposal-Andrii-Len.pdf
+  proposal: /assets/pdf/fellows-2022/211-proposal-Andrii-Len.pdf
+- project_title: Predict CMS data popularity to improve its availability for physics analysis
+  project_goal: >
+    The focus of the project is to aggregate and extract data usage information, find data's features and optimal Machine Learning models to predict the probability that a dataset will be accessed in the next month.
+  mentors:
+  - Dmytro Kovalskyi, Rahul Chauhan, Hasan Ozturk
+  proposal: /assets/pdf/fellows-2023/U009-proposal-Andrii-Len.pdf
 presentations:
 - title: The usage of Deep Learning for QCD background estimation
   date: 2022-10-19