Removed JS to dynamically generate the list. Removed anything related to it, e.g., specific ids etc.
Remove "Link to all errata":
Update the latest update date
Recorded errata count changed to 3
Copy paste submission text from errata11.html to errata.html
Added a small section on "how to maintain this document" which says that each new errata should be added at the bottom of the list, number of errata and the latest date should be updated.
What is done in this PR: