feat: add jwt-auth authorization method

[AlinsRan]

Type of change:

• Bugfix
• New feature provided
• Improve performance
• Backport patches

What this PR does / why we need it:

Issues: #1001

Pre-submission checklist:

• Did you explain what problem does this PR solve? Or what new features have been added?
• Have you added corresponding test cases?
• Have you modified the corresponding document?
• Is this PR backward compatible? If it is not backward compatible, please discuss on the mailing list first

[tao12345666333]

Need to add a checksum, other contents LGTM

[codecov-commenter]

Codecov Report

Merging #1009 (369b388) into master (670d671) will increase coverage by 0.31%.
The diff coverage is 78.18%.

@@            Coverage Diff             @@
##           master    #1009      +/-   ##
==========================================
+ Coverage   31.81%   32.13%   +0.31%     
==========================================
  Files          74       74              
  Lines        7977     8032      +55     
==========================================
+ Hits         2538     2581      +43     
- Misses       5163     5174      +11     
- Partials      276      277       +1     

Impacted Files	Coverage Δ
pkg/kube/translation/apisix_route.go	21.07% <0.00%> (-0.36%)	⬇️
pkg/kube/translation/apisix_consumer.go	71.42% <60.00%> (-3.58%)	⬇️
pkg/kube/translation/plugin.go	100.00% <100.00%> (ø)

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 75a4166...369b388. Read the comment docs.

[tao12345666333]

ping @sff0219

[tao12345666333]

LGTM

[tokers]

Missing docs to:

1. JWT Auth Config Reference
2. How to use it?

[tao12345666333]

I don't think we need to write a separate document.
Content can be added to this document. https://github.com/apache/apisix-ingress-controller/blob/master/docs/en/latest/practices/enable-authentication-and-restriction.md

[AlinsRan]

I don't think we need to write a separate document. Content can be added to this document. https://github.com/apache/apisix-ingress-controller/blob/master/docs/en/latest/practices/enable-authentication-and-restriction.md

I agree.

[AlinsRan]

Missing docs to:

1. JWT Auth Config Reference
2. How to use it?

doc: #1018

[tao12345666333]

Let's move forward, docs can be tracked with #1018

cc @tokers