Update README.md, Logbook_labxxx.md

Logbook_labxxx.md

+# Logbook for Lab xxxxxx
+
+## Purpose
+
+pppppppppppppppppp
+
+...
+
+## Task 1
+
+aaaaaaaa
+
+###   Step 1
+
+   bbbbbb
+
+###   Step 2
+
+   bbbbbb
+
+......
+
+## Task 2
+
+aaaaaaa
+
+.....
+
+## Conclusion
+
+........
+

README.md

+# Group description and identification
+
+Brief description
+
+ESS Group01
+
+Students
+   - student1 (number1)
+   - student2 (number2)
+   - student3 (number3)