feat: add job api

[gaius-qi]

Description

• add job api.

Related Issue

Motivation and Context

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation Update (if none of the other choices apply)

Checklist:

• Code compiles correctly.
• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

[codecov-commenter]

Codecov Report

Merging #751 (b9905ab) into main (f8990af) will decrease coverage by 0.04%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #751      +/-   ##
==========================================
- Coverage   38.48%   38.44%   -0.05%     
==========================================
  Files          91       91              
  Lines        7033     7033              
==========================================
- Hits         2707     2704       -3     
- Misses       3942     3945       +3     
  Partials      384      384              

Flag	Coverage Δ
Object-compatibility-e2etests	?
e2etests	?
unittests	38.44% <ø> (-0.05%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
client/daemon/peer/peertask_base.go	34.38% <0.00%> (-0.63%)	⬇️