Add lastRow function

[Copilot]

Adds a lastRow utility function that returns the last used row number for a given column in a worksheet.

Changes

• lastRow.bas — New function using End(xlUp) from the bottom of the column to find the last used row; depends on common.getColumnLetter
• README.md — Documentation added in alphabetical order

Usage

' Returns the last used row number in column A of "Sheet 1"
Dim row As Long
row = common.lastRow("Sheet 1", "A:A")

Input: String Worksheet Name, String Column Range (e.g. "A:A")
Output: Long Last used row number

[Copilot]

Pull request overview

Adds a lastRow utility to the VBA common library to return the last used row number in a specified worksheet column, along with README documentation for the new helper.

Changes:

• Added lastRow function that finds the last used row in a given column using End(xlUp).
• Documented the new Last Row utility in README.md.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 2 comments.

File	Description
README.md	Adds documentation for the new Last Row utility entry.
lastRow.bas	Introduces the lastRow function to compute the last used row for a specified column.

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