Support Edx Timed Exam and Proctored Exam events

[quitterie-lcs]

Feature Request

Add Pydantic (de)serialisers for Timed Exam and Proctored Exam events from Edx:

• edx.special_exam.proctored.attempt.created
• edx.special_exam.practice.attempt.created
• edx.special_exam.timed.attempt.created
• edx.special_exam.proctored.attempt.declined
• edx.special_exam.proctored.attempt.deleted
• edx.special_exam.practice.attempt.deleted
• edx.special_exam.timed.attempt.deleted
• edx.special_exam.proctored.attempt.download_software_clicked
• edx.special_exam.practice.attempt.download_software_clicked
• edx.special_exam.proctored.attempt.error
• edx.special_exam.practice.attempt.error
• edx.special_exam.proctored.attempt.ready_to_start
• edx.special_exam.practice.attempt.ready_to_start
• edx.special_exam.proctored.attempt.ready_to_submit
• edx.special_exam.practice.attempt.ready_to_submit
• edx.special_exam.timed.attempt.ready_to_submit
• edx.special_exam.proctored.attempt.rejected
• edx.special_exam.proctored.attempt.review_received
• edx.special_exam.proctored.attempt.started
• edx.special_exam.practice.attempt.started
• edx.special_exam.timed.attempt.started
• edx.special_exam.proctored.attempt.submitted
• edx.special_exam.practice.attempt.submitted
• edx.special_exam.timed.attempt.submitted
• edx.special_exam.proctored.attempt.verified
• edx.special_exam.proctored.option-presented