Make proper flirc integration/addon for hass

[Bluscream]

Here are some references:

• https://support.flirc.tv/hc/en-us/articles/203688495-Using-Command-Line-with-Flirc
• https://flirc.gitbooks.io/flirc-instructions/content/command-line-interface-guide/commands.html
• https://forum.flirc.tv/index.php?/topic/11540-generic-ir-receiver-ideally-ir-to-mqtt
• https://forum.flirc.tv/index.php?/topic/2731-transmit-ir-signal-over-flirc-in-a-raspberry/

<?php // session_start();
    ini_set('display_errors', 1);
    ini_set('display_startup_errors', 1);
    error_reporting(E_ALL);

    function sendir($pattern, $repeat = 3) {
        $cmd = "irtools sendir --ik=23000 --repeat=" . $repeat . " --csv=\"" . $pattern . "\"";
        echo($cmd."<br>");
        exec($cmd);
    }

    $repeat = $_GET["repeat"] ?? 0;

    if (isset($_GET["pattern"])) {
        sendir($_GET["pattern"], $repeat);
    }
    // header("Location: " . "https://localhost/ir.php");
?>