Feat - Allow end-user configuration of terminals / IDEs

With changes like:
https://github.com/aws/amazon-q-developer-cli/commit/357586647d11687b228b6450b941797fc0942517
https://github.com/aws/amazon-q-developer-cli/pull/814

We have to modify multiple files, to add what is essentially text configuration.
To allow end-users to self-add their own terminals and IDE's that have similar behaviour to other existing environments, this could be a user-modifiable text file, either to extend, or for all of these mappings.

eg.
VSCodeVariant {
bundle_identifier: "com.exafunction.windsurf-next",
config_folder_name: ".windsurf-next",
application_support_folder_name: "Windsurf Next",
application_name: "Windsurf Next",
cli_executable_name: "windsurf-next",
},

and an enum mapping of these terminals.