Implement TrimOptions for all of:
utf8_trim_doc
utf8_ltrim_doc
utf8_rtrim_doc
ascii_trim_doc
ascii_ltrim_doc
ascii_rtrim_doc
Reporter: Nicola Crane / @thisisnic
Assignee: Nicola Crane / @thisisnic
PRs and other links:
Note: This issue was originally created as ARROW-13874. Please see the migration documentation for further details.