add Django component

[Humbertzhang]

Please answer these questions before submitting pull request

• Why submit this pull request?

• Bug fix

• New feature provided

• Improve performance

• Related issues

---

Bug fix

• Bug description.

• How to fix?

---

New feature or improvement

• Describe the details and related test reports.
  add Python Django component id in main repo.

[codecov]

Codecov Report

Merging #5127 into master will increase coverage by 0.11%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master    #5127      +/-   ##
============================================
+ Coverage     52.92%   53.04%   +0.11%     
- Complexity     2981     2989       +8     
============================================
  Files           779     1419     +640     
  Lines         19525    30731   +11206     
  Branches       1924     3421    +1497     
============================================
+ Hits          10334    16300    +5966     
- Misses         8333    13626    +5293     
+ Partials        858      805      -53     

Impacted Files	Coverage Δ	Complexity Δ
...erver/receiver/envoy/MetricServiceGRPCHandler.java	12.16% <0.00%> (-77.84%)	2.00% <0.00%> (ø%)
...er/receiver/envoy/AccessLogServiceGRPCHandler.java	20.75% <0.00%> (-37.15%)	2.00% <0.00%> (ø%)
...skywalking/oap/server/core/alarm/AlarmMessage.java	66.66% <0.00%> (-33.34%)	2.00% <0.00%> (ø%)
...r/cluster/plugin/standalone/StandaloneManager.java	77.77% <0.00%> (-22.23%)	3.00% <0.00%> (-1.00%)
...ient/elasticsearch/ElasticSearchInsertRequest.java	80.00% <0.00%> (-20.00%)	2.00% <0.00%> (ø%)
...ient/elasticsearch/ElasticSearchUpdateRequest.java	80.00% <0.00%> (-20.00%)	2.00% <0.00%> (ø%)
...ticsearch7/client/ElasticSearch7UpdateRequest.java	80.00% <0.00%> (-20.00%)	2.00% <0.00%> (ø%)
...ticsearch7/client/ElasticSearch7InsertRequest.java	83.33% <0.00%> (-16.67%)	2.00% <0.00%> (ø%)
...erver/core/analysis/data/MergableBufferedData.java	84.61% <0.00%> (-15.39%)	4.00% <0.00%> (ø%)
...server/core/analysis/worker/AlarmNotifyWorker.java	85.71% <0.00%> (-14.29%)	3.00% <0.00%> (ø%)
... and 966 more

---

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 081c126...2849c01. Read the comment docs.

[wu-sheng]

Please update the UI submodule, I have merged the PR at UI repo.

[Humbertzhang]

i just updated the ui submodule. should i open a new pr for that?

[kezhenxu94]

i just updated the ui submodule. should i open a new pr for that?

Yes