[Frontend] Supports log view of job execution for frontend

[SteNicholas]

Fix #61 .

[codecov-commenter]

Codecov Report

Merging #251 (8d59ca7) into master (6e5a6dd) will decrease coverage by 0.09%.
The diff coverage is 27.94%.

@@            Coverage Diff             @@
##           master     #251      +/-   ##
==========================================
- Coverage   66.80%   66.70%   -0.10%     
==========================================
  Files         206      206              
  Lines       15506    15575      +69     
  Branches     2329     2337       +8     
==========================================
+ Hits        10359    10390      +31     
- Misses       4578     4614      +36     
- Partials      569      571       +2     

Impacted Files	Coverage Δ
...gins/scheduler_plugins/airflow/ai_flow_operator.py	67.56% <ø> (ø)
ai_flow/frontend/web_server.py	61.98% <17.24%> (-8.71%)	⬇️
ai_flow/endpoint/server/server_config.py	63.09% <50.00%> (-0.77%)	⬇️
ai_flow/runtime/job_runtime_env.py	78.82% <100.00%> (+1.99%)	⬆️
ai_flow/runtime/job_runtime_util.py	72.00% <100.00%> (+2.43%)	⬆️
ai_flow/util/path_util.py	71.42% <0.00%> (-14.29%)	⬇️
ai_flow/cli/commands/workflow_command.py	92.00% <0.00%> (-3.13%)	⬇️
ai_flow/common/module_load.py	100.00% <0.00%> (ø)
...i_flow_plugins/job_plugins/flink/flink_run_main.py	0.00% <0.00%> (ø)
...flow_plugins/job_plugins/python/python_run_main.py	0.00% <0.00%> (ø)
... and 1 more

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