Add output option / Grepable output

[johanburati]

Would be nice to be able to grep the output.

Adding a -o/--output option with different output formats (json, jsonc, none, table, tsv, yaml, yamlc) would be best.

Example:

procmon -f procmon_2020-07-23_01\:54\:51.db  -o tsv | grep ssh