Update get spreadsheet tool (#367)

Author: EricGustin

pages/toolkits/productivity/google_sheets.mdx

@@ -69,11 +69,17 @@ Create a new spreadsheet with a custom title and optional data in the first shee
 
 ## GoogleSheets.GetSpreadsheet
 
-Retrieve all properties and cell data for every sheet in a spreadsheet.
+Retrieve the specified range of cells from a single sheet in a spreadsheet.
 
 **Parameters**
 
 - **`spreadsheet_id`** _(string, required)_: The ID of the spreadsheet to retrieve.
+- **`sheet_position`** _(int, optional, default 1)_: The position/tab of the sheet in the spreadsheet to get. A value of 1 represents the first (leftmost/Sheet1) sheet.
+- **`sheet_id_or_name`** _(string, optional, default None)_: The ID or name of the sheet to get. If not provided, `sheet_position` will be used.
+- **`start_row`** _(int, optional, default 1)_: Starting row number (1-indexed).
+- **`start_col`** _(string, optional, default 'A')_: Starting column letter(s) or 1-based column number.
+- **`max_rows`** _(int, optional, default 1000)_: Maximum number of rows to fetch for each sheet in the spreadsheet. Must be between 1 and 1000.
+- **`max_cols`** _(int, optional, default 100)_: Maximum number of columns to fetch for each sheet in the spreadsheet. Must be between 1 and 100.
 
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