Modified group 2 metadata in assignment 3.

docs/group_assignments/group2/assignment3.md

 ---
-title: Test assignment
-summary: A brief description of my document.
+title: Computer Controlled Cutting. Group 2 Work. 
+summary: Group work. Characterizing laser cutter. 
 show_authors: true
 authors:
     - name: Akseli Uunila
-      url: https://gitlab.fabcloud.org/academany/fabacademy/2023/labs/oulu/students/akseli-uunila
+      url: http://fabacademy.org/2023/labs/oulu/students/akseli-uunila/
     - name: Abhishek Kumar
-	  url: https://gitlab.fabcloud.org/academany/fabacademy/2023/labs/oulu/students/abhishek-kumar/
+	    url: http://fabacademy.org/2023/labs/oulu/students/abhishek-kumar/
     - name: Aarne Pohjonen
       url: https://fabacademy.org/2023/labs/oulu/students/aarne-pohjonen/
 ---