Provision to initiate Job Execution

[gomathi-mallow]

• Create a new table named job_executions with the below database schema

Column Name	Data Type
id	uuid
requestor_id	integer
job_id	uuid
requestor_comments	varchar
arguments	json
status	integer
reason_for_failure	varchar
auto_execute_on_approval	boolean
run_at	timestamp
execution_started_at	timestamp
created_at	timestamp
updated_at	timestamp

• Create a new model for the JobExecution and add required validations on the model
• The status has to be declared as Enum and below can be the status
  - Requested
  - Approved
  - Rejected
  - Executed
  - Cancelled
  - Succeeded
  - Failed
• requestor_comments is a mandatory field
• Once the job execution is created the status to be marked as requested automatically
• Implement the index, edit andshow actions for job_executions