Thumbnail Support

Added a support to thumbnail mode
and the radio mode fetching is also improved
did a lot of refactor

changes since v1.0.0
f9fdce9 (HEAD -> main, origin/main, origin/HEAD, test) formatting the code via the nvim standards after fixing the conformo errors
07dcf68 fix posix compliance: replace bashisms (mapfile, here-strings, double brackets)
8ceebef fix -nt flag in radio mode: defer radio execution until after all args are parsed
b194357 fix -nt mode in radio: avoid clearing screen when thumbnails disabled
454d253 fix radio station fetch: single quotes prevented API variable expansion
ca82232 refactor: structured global assignments, extracted constants, and deduplicated parsing logic
d4d6457 fix rofi menu rendering issue due to missing format_results function
dbfe698 refactor: moved thumbnail resolution internally to jq filters
ff98d8c redoing the ui
5c87073 fixed radio mode streaming and pipe hijacking
c4f0d54 added thumbnail display support for kitty
304ae44 improved menu and fzf formatting
cc9e359 added terminal ui icons and banner