feature(whl):add trex example

[kxzxvbk]

Description

Related Issue

TODO

Check List

• merge the latest version source branch/repo, and resolve all the conflicts
• pass style check
• pass all the tests

[Will-Nie]

why do we assign num_trajs=6?

[Will-Nie]

do not forget to solve the unittest issue

[codecov]

Codecov Report

Merging #380 (8345ac1) into main (8c817b6) will decrease coverage by 0.36%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #380      +/-   ##
==========================================
- Coverage   85.91%   85.55%   -0.37%     
==========================================
  Files         524      524              
  Lines       41571    41108     -463     
==========================================
- Hits        35717    35169     -548     
- Misses       5854     5939      +85     

Flag	Coverage Δ
unittests	85.55% <ø> (-0.37%)	⬇️

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

Impacted Files	Coverage Δ
ding/framework/message_queue/tests/test_redis.py	31.25% <0.00%> (-53.60%)	⬇️
ding/framework/message_queue/redis.py	38.09% <0.00%> (-42.86%)	⬇️
ding/framework/message_queue/tests/test_nng.py	40.00% <0.00%> (-33.08%)	⬇️
ding/model/template/atoc.py	86.31% <0.00%> (-8.95%)	⬇️
ding/worker/learner/comm/flask_fs_learner.py	83.12% <0.00%> (-8.75%)	⬇️
ding/entry/tests/test_parallel_entry.py	45.45% <0.00%> (-4.55%)	⬇️
ding/utils/data/dataloader.py	43.52% <0.00%> (-3.63%)	⬇️
ding/world_model/model/tests/test_ensemble.py	71.42% <0.00%> (-2.49%)	⬇️
...envs/env_manager/tests/test_envpool_env_manager.py	36.00% <0.00%> (-2.47%)	⬇️
ding/utils/tests/test_k8s_launcher.py	88.46% <0.00%> (-2.11%)	⬇️
... and 186 more

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