Filtering sensitive data

[joshuap]

We need a way to filter sensitive data, like we do for Ruby and Elixir:

https://docs.honeybadger.io/lib/ruby/getting-started/filtering-sensitive-data.html#disable-data-completely
https://docs.honeybadger.io/lib/elixir.html#configuration

Three potential features related to this:

• List of keys to filter (see filter_keys in Elixir)
• Programatically filter data (see filter and before_notify in Elixir and Ruby respectively)
• Disable certain request data entirely (see disable_params, disable_session, etc. in Ruby)