week03 added title information

docs/group_assignments/group1/assignment0.md

 ---
-title: Test assignment
-summary: A brief description of my document.
+title: Computer Controlled Cutting. Group 1.
+summary: Group work for Computer Controlled cutting week in FabAcademy
 show_authors: true
 authors:
-    - name: Iván Sánchez
-      url: http://archive.fabacademy.org/fabacademy2017/fablaboulu/students/77/
-    - Author 2
-    - Author 3
+    - name: Tapio Lappalainen
+      url: https://fabacademy.org/2023/labs/oulu/students/tapio-lappalainen/
+    - name: Petra Rutanen
+      url: https://fabacademy.org/2023/labs/oulu/students/petra-rutanen/
+    - name: Essi Huusko
+      url: https://fabacademy.org/2023/labs/oulu/students/essi-huusko/
 ---
 
 # Week 3 group assignment Laser cutting
@@ -34,7 +36,7 @@ With this test we were able to calculate kerf.
 
 *Picture4:Measuring Y axis*
 
-We calculated kerf with following formula kerf = designed widht - measured widht 
+We calculated kerf with following formula kerf = designed width - measured width 
 
 
 ## Second task of the day