docs: excel expanded usage text with more examples

[skip ci]

src/cmd/excel.rs

@@ -31,13 +31,15 @@ Export the last sheet (negative index)):
 Export the second to last sheet:
     qsv excel -s -2 input.xls
 
-Export a table in an XLSX file:
+Export a table named "Table1" in an XLSX file. Note that --sheet is not required
+as the table definition includes the sheet.
     qsv excel --table "Table1" input.xlsx
 
 Export a range of cells in the first sheet:
     qsv excel --range C3:T25 input.xlsx
 
-Export a named range in the workbook:
+Export a named range in the workbook. Note that --sheet is not required
+as named ranges include the sheet.
     qsv excel --range MyRange input.xlsx
 
 Export a range of cells in the second sheet:
@@ -50,12 +52,20 @@ as it may contain special characters like ! and $:
     qsv excel --range 'Sheet2!$C$3:$T$25' input.xlsx
 
 Export metadata for all sheets in CSV format:
+    qsv excel --metadata csv input.xlsx
     qsv excel --metadata c input.xlsx
+    # short CSV mode is much faster, but doesn't contain as much metadata
+    qsv excel --metadata short input.xlsx
+    qsv excel --metadata s input.xlsx
 
 Export metadata for all sheets in JSON format:
+    qsv excel --metadata json input.xlsx
     qsv excel --metadata j input.xlsx
-    # pretty-printed JSON
+    # pretty-printed JSON - first letter is capital J
     qsv excel --metadata J input.xlsx
+    # short, minified JSON mode - first letter is capital S
+    qsv excel --metadata Short input.xlsx
+    qsv excel --metadata S input.xlsx
 
 Prompt for spreadsheets to export and then prompt where to save the CSV:
     qsv prompt -d ~/Documents -m 'Select a spreadsheet to export to CSV' -F xlsx,xls,ods | \
@@ -114,7 +124,10 @@ Excel options:
                                Only valid for XLSX files. The --sheet option is ignored as a table could
                                be in any sheet. Overrides --range option.
     --range <range>            An Excel format range - like RangeName, C:T, C3:T25 or 'Sheet1!C3:T25' to
-                               extract to the CSV. If the range is not found, qsv will exit with an error.
+                               extract to the CSV. If the specified range contains the required sheet,
+                               the --sheet option is ignored.
+                               If the range is not found, qsv will exit with an error.
+
     --error-format <format>    The format to use when formatting error cells.
                                There are 3 formats:
                                  - "code": return the error code.
@@ -305,7 +318,7 @@ impl RequestedRange {
             .map(|r| r - 1)
     }
 
-    /// worksheet_size is from range.getsize, height,width.  1 indexed.
+    /// worksheet_size is from range.getsize, height,width. 1 indexed.
     fn from_string(range: &str, worksheet_size: (usize, usize)) -> CliResult<RequestedRange> {
         let Some((start, end)) = range.split_once(':') else {
             return fail_clierror!("Unable to parse range string");