Move config files from `launch` to `config`

[horverno]

Clean the package, and move config files (mostly yaml) from launch folder to config

https://github.com/jkk-research/lexus_bringup/tree/main/launch
https://github.com/jkk-research/lexus_bringup/tree/main/config

[horverno]

#18

[mesmatyi]

3f821df