Feature 3009 net cdf docs

[CPKalb]

• Do these changes introduce new tools, command line arguments, or configuration file options? [Yes or No]
  
  No

• Do these changes modify the structure of existing or add new output data types (e.g. statistic line types or NetCDF variables)? [Yes or No]
  
  No

Pull Request Testing

• Describe testing already performed for these changes:
  
  Read through documentation and checked to be sure it built successfully

• Recommend testing for the reviewer(s) to perform, including the location of input datasets, and any additional instructions:
  
  Read through the section of updated documentation to check for any needed changes/fixes
  https://met.readthedocs.io/en/feature_3009_netcdf_docs/Users_Guide/data_io.html#requirements-for-cf-compliant-netcdf

• 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]
  N/A

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

• Will this PR result in changes to existing METplus Use Cases? [Yes or No]
  
  If yes, create a new Update Truth METplus issue to describe them.
  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.

• Review the source issue metadata (required labels, projects, and milestone).
• 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 MET-X.Y.Z Development project for official releases
• After submitting the PR, select the ⚙️ icon in the Development section of the right hand sidebar. Search for the issue that this PR will close and select it, if it is not already selected.
• After the PR is approved, merge your changes. If permissions do not allow this, request that the reviewer do the merge.
• Close the linked issue and delete your feature or bugfix branch from GitHub.

[j-opatz]

The updates to the documentation are meaningful and direct the user more clearly with respect to the behavior of rotated lat-lon grids.