Support datetime format with dot separator

[nicomni]

PR Details

Description

Support date formats such as DD.MM.YYYY to be parsed to for instance 18.11.2023.

Related Issue

Closes #7

Motivation and Context

When using excelize to read excel workbooks, we will be able to parse dates in the format DD.MM.YYYY to for instance 18.11.2023.

How Has This Been Tested

Tests were added to the test file.

Types of changes

• Docs change / refactoring / dependency upgrade
• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

[codecov-commenter]

Codecov Report

Merging #8 (4797489) into main (dc951e3) will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##              main        #8   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            1         1           
  Lines          465       471    +6     
=========================================
+ Hits           465       471    +6     

Flag	Coverage Δ
unittests	100.00% <100.00%> (ø)

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

Files Changed	Coverage Δ
nfp.go	100.00% <100.00%> (ø)

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[xuri]

LGTM, thanks for your contribution.