Describe the limitation of the OFFSET function in the runtime differences guide

[sequba]

Context

The implementation of the OFFSET function in HyperFormula has some limitations. The first argument must be a reference to a single cell. Ranges are not allowed.

How did you test your changes?

local docs build

Types of changes

• Breaking change (a fix or a feature because of which an existing functionality doesn't work as expected anymore)
• New feature or improvement (a non-breaking change that adds functionality)
• Bug fix (a non-breaking change that fixes an issue)
• Additional language file, or a change to an existing language file (translations)
• Change to the documentation

Related issues:

Fixes #1477

Checklist:

• I have reviewed the guidelines about Contributing to HyperFormula and I confirm that my code follows the code style of this project.
• I have signed the Contributor License Agreement.
• My change is compliant with the OpenDocument standard.
• My change is compatible with Microsoft Excel.
• My change is compatible with Google Sheets.
• I described my changes in the CHANGELOG.md file.
• My changes require a documentation update.
• My changes require a migration guide.

[github-actions]

Performance comparison of head (25eeab0) vs base (f392eae)

                                     testName |   base |   head | change
------------------------------------------------------------------------
                                      Sheet A | 506.76 | 503.87 | -0.57%
                                      Sheet B | 161.36 |    163 | +1.02%
                                      Sheet T |  142.8 | 143.94 | +0.80%
                                Column ranges | 508.64 | 510.05 | +0.28%
Sheet A:  change value, add/remove row/column |  13.63 |  13.93 | +2.20%
 Sheet B: change value, add/remove row/column | 123.12 |  121.5 | -1.32%
                   Column ranges - add column | 152.79 | 150.54 | -1.47%
                Column ranges - without batch | 428.82 | 438.38 | +2.23%
                        Column ranges - batch | 110.98 | 110.91 | -0.06%

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.22%. Comparing base (f392eae) to head (25eeab0).
Report is 1 commits behind head on develop.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #1488   +/-   ##
========================================
  Coverage    97.22%   97.22%           
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  Files          169      169           
  Lines        14523    14523           
  Branches      3080     3080           
========================================
  Hits         14120    14120           
  Misses         403      403