Added the Spool Command in REPL

[varundeepsaini]

Fixes: #2719

Pre-review checklist

• I've confirmed that instructions included in README.md are still correct after my changes in the codebase.
• I've added or updated automated unit tests to verify correctness of my new code.
• I've added or updated integration tests to verify correctness of my new code.
• I've confirmed that my changes are working by executing CLI's commands manually on MacOS.
• I've confirmed that my changes are working by executing CLI's commands manually on Windows.
• I've confirmed that my changes are up-to-date with the target branch.
• I've described my changes in the release notes.
• I've described my changes in the section below.
• I've described my changes in the documentation.

Changes description

Adds !spool command to the SQL REPL for SnowSQL feature parity.

• !spool <filename> - Start writing query output to file
• !spool off - Stop writing and close file

Output goes to both console and file. Spool is automatically closed on REPL exit.
Ref: https://docs.snowflake.com/en/user-guide/snowsql-use#spool

[varundeepsaini]

@sfc-gh-yostrinsky
could you please review this pr

[sfc-gh-yostrinsky]

Hi. I'm afraid I'm not in the role for that :)

[varundeepsaini]

Could you please tag someone who is

[varundeepsaini]

@sfc-gh-mraba i have pushed the suggested changes. Could you please review again and run the checks

[varundeepsaini]

@sfc-gh-mraba bump ^^

[varundeepsaini]

@sfc-gh-mraba bump ^^