Delimit-columns let's change some settings

Change some delimit-columns settings to quote wrap our values.

You can use delimit-columns-customize to set the values, or set these variables directly.

(setq delimit-columns-str-separator ", ")
(setq delimit-columns-str-before "{ ")
(setq delimit-columns-str-after " }")
(setq delimit-columns-separator ", ")
(setq delimit-columns-before "\"")
(setq delimit-columns-after "\"")