SubGhz: sending / receiving messages via subghz

[Skorpionm]

What's new

• SubGhz: add subghz_tx_rx_worker
• CLI: add "subghz chat" (sending / receiving text messages)

Verification

• Compile and download
• Run the application through the CLI subghz chat for at least 2 Flipper, and try messaging

Checklist (do not modify)

• PR has description of feature/bug or link to Confluence/Jira task
• Description contains actions to verify feature/bugfix
• I've built this code, uploaded it to the device and verified feature/bugfix

[github-actions]

Please fix following code formatting errors:

./applications/subghz/subghz_cli.c:475:21: error: code should be clang-formatted [-Wclang-format-violations]
    cli_add_command(
                    ^

You might want to run docker compose exec dev /syntax_check.sh for an auto-fix.

[github-actions]

Click here to flash the 41c66526 version of this branch via WebUSB.

[github-actions]

Please fix following code formatting errors:

./applications/subghz/subghz_cli.c:272:12: error: code should be clang-formatted [-Wclang-format-violations]
    printf(
           ^

You might want to run docker compose exec dev /syntax_check.sh for an auto-fix.

[github-actions]

Please fix following code formatting errors:

./applications/subghz/subghz_cli.c:272:12: error: code should be clang-formatted [-Wclang-format-violations]
    printf(
           ^

You might want to run docker compose exec dev /syntax_check.sh for an auto-fix.