Migrate recipe for nit_song070 from Muskit

[wwwbxy123]

The recipe from Muskit: https://github.com/SJTMusicTeam/Muskits/tree/main/egs/nit_song070/svs1

Similar to opencpop recipe. The difference is making segments in wav, label text and and score.

Successfully started training step.

[ftshijt]

Thanks! @A-Quarter-Mile could you help with @wwwbxy123 's recipe formulation?

Can you also at the same time, fix the issue in CI? https://github.com/espnet/espnet/actions/runs/5352866393/jobs/9708205475?pr=5251#step:7:465

[wwwbxy123]

Thanks! @A-Quarter-Mile could you help with @wwwbxy123 's recipe formulation?

Can you also at the same time, fix the issue in CI? https://github.com/espnet/espnet/actions/runs/5352866393/jobs/9708205475?pr=5251#step:7:465

Done.

[codecov]

Codecov Report

Merging #5251 (641d6ca) into master (f122c22) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #5251   +/-   ##
=======================================
  Coverage   76.10%   76.10%           
=======================================
  Files         658      658           
  Lines       59156    59156           
=======================================
  Hits        45022    45022           
  Misses      14134    14134           

Flag	Coverage Δ
test_integration_espnet1	65.96% <ø> (ø)
test_integration_espnet2	47.52% <ø> (ø)
test_python	66.49% <ø> (ø)
test_utils	23.17% <ø> (ø)

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

📣 We’re building smart automated test selection to slash your CI/CD build times. Learn more

[A-Quarter-Mile]

Thanks for your contributions! The above are minor changes.

[ftshijt]

It looks ready to merge. Since the CI is recently blocking, we will wait a bit more time for it to be fixed. Thanks for your effort and contribution!