fix: a bunch of stuff

[jonaslagoni]

• Fix all payloads are not generated correctly
• Fix boolean payloads not working
• Fix that some keywords seem reserved for TS however in the context they are not
• Fix undefined payload names for root models where being generated
• Change enum style for parameters to use unions
• Fix only one channel being generated and not multiple
• Improve model names when containing special chars to simply be removed

[jonaslagoni]

:tada: This PR is included in version 0.18.1 :tada:

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

Your semantic-release bot :package::rocket: