feat: Added runtime station search and cycle functionality

[tiwiex]

2 new runtime commands: s/search and c/cycle
Station switching from previous search without restart
New stations search without restart
Connection failure recovery so cycle selection can continue
Bug fixes: Threading issues and simultaneous playback.
Documentation updates

[github-actions]

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[moduleb]

"Station switching from previous search without restart" - very useful feature!

[deep5050]

Thanks for the PR !!!
player still runs on background after radio app crash.

all the background players sould stop once radio-active crashes
debug.txt

Enter a command to perform an action: s
      i     | Searching for new stations...
      i     | Tip: You can search by station name, genre, or any keyword
Enter station name to search: west bengal
      i     | Searching for: west bengal
    [!!!]   | No stations found << ---exits here

deep@neon:~/code/radio-active$ ps -w
    PID TTY          TIME CMD
    703 pts/0    00:00:00 bash
   5773 pts/0    00:00:02 ffplay    <<--------------
   6100 pts/0    00:00:00 ps
deep@neon:~/code/radio-active$