Add repo manifest

Use title cards when non provided or is livestream

Jellyfin.Plugin.SRFPlay/Controllers/StreamProxyController.cs

@@ -461,4 +461,38 @@ public class StreamProxyController : ControllerBase
             return StatusCode(StatusCodes.Status502BadGateway);
         }
     }
+
+    /// <summary>
+    /// Generates a placeholder image with the given text centered.
+    /// </summary>
+    /// <param name="text">The text to display (base64 encoded).</param>
+    /// <returns>A PNG image with the text centered.</returns>
+    [HttpGet("Placeholder")]
+    [AllowAnonymous]
+    [ProducesResponseType(StatusCodes.Status200OK)]
+    [ProducesResponseType(StatusCodes.Status400BadRequest)]
+    public IActionResult GetPlaceholder([FromQuery] string text)
+    {
+        if (string.IsNullOrEmpty(text))
+        {
+            return BadRequest("Text parameter is required");
+        }
+
+        string decodedText;
+        try
+        {
+            var bytes = Convert.FromBase64String(text);
+            decodedText = System.Text.Encoding.UTF8.GetString(bytes);
+        }
+        catch (FormatException)
+        {
+            _logger.LogWarning("Invalid base64 text parameter: {Text}", text);
+            return BadRequest("Invalid text encoding");
+        }
+
+        _logger.LogDebug("Generating placeholder image for: {Text}", decodedText);
+
+        var imageStream = PlaceholderImageGenerator.GeneratePlaceholder(decodedText);
+        return File(imageStream, "image/png");
+    }
 }