Es/task manager task class

[HAN-oQo]

PURPOSE OF PR

• Simple summary of this PR
  Added functions for Task Fault Tolerance.
  Additionally, added the test code for this functions.

What type of PR is it?

• fix / feature / improvement / hot-fix / refactoring
  Improvement

JIRA ISSUE

• https://ddangcoonfire.atlassian.net/browse/DDAN-3

HAVE YOU CHECKED ...

• ADD JIRA ID ON PR TITLE (ex. [DDAN-1234] PR TITLE)
• pre-commit
• Branch Format ( type/issue-NUM ) (ex. refactoring/DDAN-1234 )

Explanation

( Adding screenshot would be great help )

• The task manager periodically checks whether the task has died abnormally, and notifies the master if it has died.
• The master puts an abnormally terminated task into a queue and re-excutes it.

How to Test (Optional)

When the program exited abnormally( sample code above )

The task is re-executed like the screenshot above.

When you execute test code("test_task_manager_v2.py"), you can test the functions of task manager.

Question (Optional)

Etc (Optional)