Feature 2628 documentation updates

[CPKalb]

Pull Request Testing

• Describe testing already performed for these changes:
  
  Tested that the documentation builds successfully and also read the documentation to check that they

• Recommend testing for the reviewer(s) to perform, including the location of input datasets, and any additional instructions:
  
  Read the documentation for the use cases that were updated and check that they use the new format and also check to see if there are typos or text that does not make sense. The use cases that were updated are:

s2s_mid_lat:
UserScript_fcstGFS_obsERA_Blocking
UserScript_obsERA_obsOnly_Blocking
UserScript_fcstGFS_obsERA_WeatherRegime
UserScript_obsERA_obsOnly_WeatherRegime

s2s_mjo:
UserScript_fcstGFS_obsERA_OMI
UserScript_obsERA_obsOnly_OMI
UserScript_obsERA_obsOnly_RMM
UserScript_obsERA_obsOnly_PhaseDiagram

s2s_stratosphere:
UserScript_fcstGFS_obsERA_StratosphereBias
UserScript_fcstGFS_obsERA_StratospherePolar
UserScript_fcstGFS_obsERA_StratosphereQBO

Link to the updated documentation: https://metplus.readthedocs.io/en/feature_2628_documentation_updates/generated/model_applications/index.html#subseasonal-to-seasonal-mid-latitude

• Do these changes include sufficient documentation updates, ensuring that no errors or warnings exist in the build of the documentation? [Yes or No]
  Yes

• Do these changes include sufficient testing updates? [Yes or No]
  ??

• Will this PR result in changes to the test suite? [Yes or No]
  
  If yes, describe the new output and/or changes to the existing output:
  
  No

• Do these changes introduce new SonarQube findings? [Yes or No]
  
  If yes, please describe:
  No

• Please complete this pull request review by [Fill in date].
  

Pull Request Checklist

See the METplus Workflow for details.

• Add any new Python packages to the METplus Components Python Requirements table.
• For any new datasets, an entry to the METplus Verification Datasets Guide.
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• Complete the PR definition above.
• Ensure the PR title matches the feature or bugfix branch name.
• Define the PR metadata, as permissions allow.
  Select: Reviewer(s) and Development issue
  Select: Milestone as the version that will include these changes
  Select: Coordinated METplus-X.Y Support project for bugfix releases or METplus-Wrappers-X.Y.Z Development project for official releases
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[CPKalb]

Committing requested changes

[jprestop]

Thanks for all of your work on this @CPKalb. The information you added to these use cases is really beneficial. I will note that there is one failed case (see below for summary information) which is expected due to a file name change. I approve this PR.

Summary:


ERROR: Some differences were found
file not found (in truth but missing now)
A:/data/truth/s2s_mid_lat/UserScript_fcstGFS_obsERA_Blocking/s2s_mid_lat/UserScript_fcstGFS_obsERA_Blocking/plots/FV3_ERA_IBL_Freq_DJF.png
B:

file not found (in truth but missing now)
A:/data/truth/s2s_mid_lat/UserScript_fcstGFS_obsERA_Blocking/s2s_mid_lat/UserScript_fcstGFS_obsERA_Blocking/plots/FV3_ERA_IBL_Freq_DJF.pdf
B:

file not found (new output)
A:
B:/data/output/s2s_mid_lat/UserScript_fcstGFS_obsERA_Blocking/s2s_mid_lat/UserScript_fcstGFS_obsERA_Blocking/plots/GFS_ERA_IBL_Freq_DJF.pdf

file not found (new output)
A:
B:/data/output/s2s_mid_lat/UserScript_fcstGFS_obsERA_Blocking/s2s_mid_lat/UserScript_fcstGFS_obsERA_Blocking/plots/GFS_ERA_IBL_Freq_DJF.png