Improve logging configuration

- Log levels of specific loggers can be defined in the config
  file (doesn't work with env variables)

- Log events of background tasks carry now additional data

modules/scheduler/impl/src/main/scala/docspell/scheduler/impl/LogEvent.scala

@@ -11,6 +11,8 @@ import cats.implicits._
 
 import docspell.common._
 
+import io.circe.Json
+
 case class LogEvent(
     jobId: Ident,
     taskName: Ident,
@@ -19,7 +21,8 @@ case class LogEvent(
     time: Timestamp,
     level: LogLevel,
     msg: String,
-    ex: Option[Throwable] = None
+    ex: Option[Throwable],
+    data: Map[String, Json]
 ) {
 
   def logLine: String =
@@ -35,10 +38,11 @@ object LogEvent {
       group: Ident,
       jobInfo: String,
       level: LogLevel,
-      msg: String
+      msg: String,
+      data: Map[String, Json]
   ): F[LogEvent] =
     Timestamp
       .current[F]
-      .map(now => LogEvent(jobId, taskName, group, jobInfo, now, level, msg))
+      .map(now => LogEvent(jobId, taskName, group, jobInfo, now, level, msg, None, data))
 
 }

modules/scheduler/impl/src/main/scala/docspell/scheduler/impl/LogSink.scala

@@ -29,12 +29,13 @@ object LogSink {
     }
 
   def logInternal[F[_]: Sync](e: LogEvent): F[Unit] = {
-    val logger = docspell.logging.getLogger[F]
+    val logger = docspell.logging.getLogger[F](e.taskName.id)
     val addData: logging.LogEvent => logging.LogEvent =
       _.data("jobId", e.jobId)
         .data("task", e.taskName)
         .data("group", e.group)
         .data("jobInfo", e.jobInfo)
+        .addData(e.data)
 
     e.level match {
       case LogLevel.Info =>

modules/scheduler/impl/src/main/scala/docspell/scheduler/impl/QueueLogger.scala

@@ -15,6 +15,9 @@ import docspell.common.{Ident, LogLevel}
 import docspell.logging
 import docspell.logging.{Level, Logger}
 
+/** Background tasks use this logger to emit the log events to a queue. The consumer is
+  * [[LogSink]], which picks up log events in a separate thread.
+  */
 object QueueLogger {
 
   def create[F[_]: Sync](
@@ -34,7 +37,8 @@ object QueueLogger {
             group,
             jobInfo,
             level2Level(logEvent.level),
-            logEvent.msg()
+            logEvent.msg(),
+            logEvent.data.view.mapValues(f => f()).toMap
           )
           .flatMap { ev =>
             val event =